- 代码只作演示用途,不会详细说明语法
- 部分技巧示例代码过长,使用 CodePen 进行保存,点击在线演示即可查看
- 兼容项点击链接即可查看当前属性的浏览器兼容数据,自行根据项目兼容需求考虑是否使用
- 以下代码全部基于 CSS 进行书写,没有任何 JS 代码,没有特殊说明的情况下所有属性和方法都是 CSS 类型
- 一部分技巧是自己探讨出来的,另一部分技巧是参考各位前端大神们的,都是一个互相学习的过程,大家一起进步
Layout Skill
使用 vw 定制 rem 自适应布局
解析
- 要点:移动端使用
rem布局
需要通过 JS 设置不同屏幕宽高比的font-size
,结合vw
单位和calc()
可脱离 JS 的控制 - 场景:rem 页面布局 (不兼容低版本移动端系统)
- 兼容:vw、calc()
/* 基于UI width=750px DPR=2的页面 */
html {
font-size: calc(100vw / 7.5);
}
使用:nth-child() 选择指定元素
解析
- 要点:通过
:nth-child()
筛选指定的元素设置样式 - 场景:表格着色、边界元素排版 (首元素、尾元素、左右两边元素)
- 兼容::nth-child()
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用:nth-child()选择指定元素"> <ul class="specified-scope"> <li>10001</li> <li>10002</li> <li>10003</li> <li>10004</li> <li>10005</li> <li>10006</li> <li>10007</li> <li>10008</li> <li>10009</li> <li>10010</li> </ul> </div>
.specified-scope { width: 300px; li { padding: 0 20px; height: 40px; line-height: 40px; color: #fff; &:nth-child(odd) { background-color: #f66; } &:nth-child(even) { background-color: #66f; } &:nth-child(n+6):nth-child(-n+10) { background-color: #3c9; } } }
使用 writing-mode 排版竖文
解析
- 要点:通过
writing-mode
调整文本排版方向 - 场景:竖行文字、文言文、诗词
- 兼容:writing-mode
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用writing-mode排版竖向文本"> <div class="vertical-text"> <h3>情</h3> <p>我见犹怜,<br>爱不释手.<br>雅俗共赏,<br>君子好逑.</p> </div> </div>
.vertical-text { writing-mode: vertical-rl; h3 { padding-left: 20px; font-weight: bold; font-size: 18px; color: #f66; } p { line-height: 30px; color: #66f; } }
使用 text-align-last 对齐两端文本
解析
- 要点:通过
text-align-last:justify
设置文本两端对齐 - 场景:未知字数中文对齐
- 兼容:text-align-last
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用text-align-last对齐两端文本"> <ul class="justify-text"> <li>账号</li> <li>密码</li> <li>电子邮件</li> <li>通讯地址</li> </ul> </div>
.justify-text { li { padding: 0 20px; width: 100px; height: 40px; background-color: #f66; line-height: 40px; text-align-last: justify; color: #fff; & + li { margin-top: 5px; } } }
使用:not() 去除无用属性
解析
<div class="bruce flex-ct-x" data-title="使用:not()去除无用属性"> <ul class="cleared-attr"> <li class="first-line"> <span>A</span> <span>B</span> <span>C</span> <span>D</span> <span>E</span> </li> <li class="second-line"> <span>A</span> <span>B</span> <span>C</span> <span>D</span> <span>E</span> </li> </ul> </div>
.cleared-attr { li { height: 40px; line-height: 40px; } span { display: inline-block; color: #66f; } .first-line span:not(:last-child)::after { content: ","; } .second-line span:not(:nth-child(-n+3)) { display: none; } }
使用 object-fit 规定图像尺寸
解析
- 要点:通过
object-fit
使图像脱离background-size
的约束,使用<img>
来标记图像背景尺寸 - 场景:图片尺寸自适应
- 兼容:object-fit
- 代码:在线演示
<div class="bruce flex-ct-y" data-title="使用object-fit规定图像尺寸"> <h1>我家乖狗狗:AB</h1> <ul class="image-size"> <li> <h3>Cover</h3> <img class="cover" src="https://static.yangzw.vip/codepen/ab-1.jpg"> </li> <li> <h3>Contain</h3> <img class="contain" src="https://static.yangzw.vip/codepen/ab-1.jpg"> </li> <li> <h3>Fill</h3> <img class="fill" src="https://static.yangzw.vip/codepen/ab-2.jpg"> </li> <li> <h3>ScaleDown</h3> <img class="scale-down" src="https://static.yangzw.vip/codepen/ab-2.jpg"> </li> </ul> </div>
h1 { line-height: 50px; font-size: 30px; color: #f66; } .image-size { display: flex; justify-content: space-between; width: 1000px; height: 300px; li { width: 200px; } h3 { height: 40px; line-height: 40px; text-align: center; font-weight: bold; font-size: 16px; } img { width: 100%; height: 260px; background-color: #3c9; &.cover { object-fit: cover; } &.contain { object-fit: contain; } &.fill { object-fit: fill; } &.scale-down { object-fit: scale-down; } } }
🔥 使用 overflow-x 排版横向列表
解析
- 要点:通过
flexbox
或inline-block
的形式横向排列元素,对父元素设置overflow-x:auto
横向滚动查看 - 场景:横向滚动列表、元素过多但位置有限的导航栏
- 兼容:overflow-x
- 代码:在线演示
<div class="bruce flex-ct-y" data-title="使用overflow-x排版横向列表"> <div class="horizontal-list flex"> <ul> <li>Alibaba</li> <li>Tencent</li> <li>Baidu</li> <li>Jingdong</li> <li>Ant</li> <li>Netease</li> <li>Meituan</li> <li>ByteDance</li> <li>360</li> <li>Sina</li> </ul> </div> <div class="horizontal-list inline"> <ul> <li>Alibaba</li> <li>Tencent</li> <li>Baidu</li> <li>Jingdong</li> <li>Ant</li> <li>Netease</li> <li>Meituan</li> <li>ByteDance</li> <li>360</li> <li>Sina</li> </ul> </div> </div>
.horizontal-list { overflow: hidden; width: 300px; height: 100px; & + .horizontal-list { margin-top: 10px; } ul { overflow-x: scroll; cursor: pointer; &::-webkit-scrollbar { height: 10px; } &::-webkit-scrollbar-track { background-color: #f0f0f0; } &::-webkit-scrollbar-thumb { border-radius: 5px; background-color: #f66; } } li { overflow: hidden; margin-left: 10px; height: 90px; background-color: #66f; line-height: 90px; text-align: center; font-size: 16px; color: #fff; &:first-child { margin-left: 0; } } &.flex { ul { display: flex; flex-wrap: nowrap; justify-content: space-between; } li { flex-shrink: 0; flex-basis: 90px; } } &.inline { height: 102px; ul { overflow-y: hidden; white-space: nowrap; } li { display: inline-block; width: 90px; } } }
列表 <ul>
<dl>
等默认是纵向排列,但有时列表需要横向排列。
<li>
标签的使用 float 属性 横向排列
在网页中,很多地方都会用到无序列表横向排列的形式,通常的写法都是使得 li 的 css 样式设置为float:left
的形式即可,li 会依次从最左边开始并列对齐,
<ul> <li>Alibaba</li> <li>Tencent</li> </ul>
li { display: block; float: left; }
<li>
标签的 display:inline
样式 横向排列
<ul> <li>Alibaba</li> <li>Tencent</li> </ul>
li { display: inline; }
使用 text-overflow 控制文本溢出
解析
- 要点:通过
text-overflow:ellipsis
对溢出的文本在末端添加...
- 场景:单行文字溢出、多行文字溢出
- 兼容:text-overflow、line-clamp、box-orient
- 代码:在线演示
<div class="bruce flex-ct-y" data-title="使用text-overflow控制文本溢出"> <p class="ellipsis-text s-line sl-ellipsis">CSS非常有趣和搞怪,可以做一些JS也能做的事情</p> <p class="ellipsis-text m-line ml-ellipsis">层叠样式表(CSS)是一种用来表现HTML(标准通用标记语言的一个应用)或XML(标准通用标记语言的一个子集)等文件样式的计算机语言.CSS不仅可以静态地修饰网页,还可以配合各种脚本语言动态地对网页各元素进行格式化.</p> <p class="ellipsis-text m-line mls-ellipsis">层叠样式表(CSS)是一种用来表现HTML(标准通用标记语言的一个应用)或XML(标准通用标记语言的一个子集)等文件样式的计算机语言.CSS不仅可以静态地修饰网页,还可以配合各种脚本语言动态地对网页各元素进行格式化.</p> </div>
.ellipsis-text { line-height: 30px; font-size: 20px; &.s-line { width: 200px; } &.m-line { margin-top: 10px; width: 400px; text-align: justify; } &.sl-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } &.ml-ellipsis { display: -webkit-box; overflow: hidden; text-overflow: ellipsis; -webkit-box-orient: vertical; -webkit-line-clamp: 3; } &.mls-ellipsis { overflow: hidden; position: relative; max-height: 90px; &::after { position: absolute; right: 0; bottom: 0; padding-left: 40px; background: linear-gradient(to right, transparent, #fff 50%); content: "..."; } } }
使用 transform 描绘 1px 边框
解析
- 要点:分辨率比较低的屏幕下显示 1px 的边框会显得模糊,通过
::before
或::after
和transform
模拟细腻的 1px 边框 - 场景:容器 1px 边框
- 兼容:transform
- 代码:在线演示
<div class="bruce flex-ct-y" data-title="使用transform描绘像素边框"> <div class="onepx-border normal">1px</div> <div class="onepx-border thin">0.5px</div> </div>
.onepx-border { width: 200px; height: 80px; cursor: pointer; line-height: 80px; text-align: center; font-weight: bold; font-size: 50px; color: #f66; & + .onepx-border { margin-top: 10px; } &.normal { border: 1px solid #f66; } &.thin { position: relative; &::after { position: absolute; left: 0; top: 0; border: 1px solid #f66; width: 200%; height: 200%; content: ""; transform: scale(.5); transform-origin: left top; } } }
使用 transform 翻转内容
解析
<div class="bruce flex-ct-x" data-title="使用transform翻转内容"> <ul class="flip-content"> <li>正常文本</li> <li class="x-axis">水平翻转</li> <li class="y-axis">垂直翻转</li> <li class="reverse">倒序翻转</li> </ul> </div>
.flip-content { li { position: relative; width: 121px; height: 51px; line-height: 51px; text-align: center; font-weight: bold; font-size: 30px; color: #f66; &::before, &::after { position: absolute; background-color: #66f; content: ""; } & + li { margin-top: 10px; } &.x-axis { transform: scale3d(1, -1, 1); &::after { left: 0; top: 25px; width: 100%; height: 1px; } } &.y-axis { transform: scale3d(-1, 1, 1); &::after { left: 60px; top: 0; width: 1px; height: 100%; } } &.reverse { transform: scale3d(-1, -1, 1); &::before { left: 0; top: 25px; width: 100%; height: 1px; } &::after { left: 60px; top: 0; width: 1px; height: 100%; } } } }
使用 letter-spacing 排版倒序文本
解析
- 要点:通过
letter-spacing
设置负值字体间距将文本倒序 - 场景:文言文、诗词
- 兼容:letter-spacing
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用letter-spacing排版倒序文本"> <div class="reverse-text">恭喜发财</div> </div>
.reverse-text { padding-left: 100px; // 与letter-spacing一致 font-weight: bold; font-size: 50px; color: #f66; letter-spacing: -100px; // letter-spacing最少是font-size的2倍 }
使用 margin-left 排版左重右轻列表
解析
<div class="bruce flex-ct-y" data-title="使用margin排版凸显布局"> <ul class="highlight-list left"> <li>Alibaba</li> <li>Tencent</li> <li>Baidu</li> <li>Jingdong</li> <li>Ant</li> <li>Netease</li> </ul> <ul class="highlight-list right"> <li>Alibaba</li> <li>Tencent</li> <li>Baidu</li> <li>Jingdong</li> <li>Ant</li> <li>Netease</li> </ul> </div>
.highlight-list { display: flex; align-items: center; padding: 0 10px; width: 600px; height: 60px; background-color: #3c9; & + .highlight-list { margin-top: 10px; } li { padding: 0 10px; height: 40px; background-color: #f90; line-height: 40px; font-size: 16px; color: #fff; } &.left li { & + li { margin-left: 10px; } &:last-child { margin-left: auto; } } &.right li { & + li { margin-left: 10px; } &:first-child { margin-right: auto; } } }
Behavior Skill
使用 overflow-scrolling 支持弹性滚动
解析
- 要点:iOS 页面
非body元素
的滚动操作会非常卡 (Android 不会出现此情况),通过overflow-scrolling:touch
调用 Safari 原生滚动来支持弹性滚动,增加页面滚动的流畅度 - 场景:iOS 页面滚动
- 兼容:iOS 自带
-webkit-overflow-scrolling
body {
-webkit-overflow-scrolling: touch;
}
.elem {
overflow: auto;
}
使用 transform 启动 GPU 硬件加速
解析
- 要点:有时执行动画可能会导致页面卡顿,可在特定元素中使用硬件加速来避免这个问题
- 场景:动画元素 (绝对定位、同级中超过 6 个以上使用动画)
- 兼容:transform
.elem {
transform: translate3d(0, 0, 0); /* translateZ(0)亦可 */
}
使用 attr() 抓取 data-*
解析
<div class="bruce flex-ct-y" data-title="使用attr()抓取用户属性"> <a class="hover-tips" href="https://www.baidu.com" data-msg="Hello World">提示框</a> <a class="hover-tips" href="https://www.baidu.com"></a> </div>
.hover-tips { position: relative; padding: 0 20px; border-radius: 10px; height: 40px; background-color: #66f; line-height: 40px; color: #fff; &::after { position: absolute; left: 0; top: 0; border-radius: 5px; width: 100%; height: 100%; background-color: rgba(#000, .5); opacity: 0; text-align: center; font-size: 12px; content: attr(data-msg); transition: all 300ms; } &:hover::after { left: calc(100% + 20px); opacity: 1; } &[href]:empty::before { content: attr(href); } &[href]:empty:hover::after { display: none; } & + .hover-tips { margin-top: 10px; } }
使用:valid 和:invalid 校验表单
解析
<div class="bruce flex-ct-x" data-title="使用:valid和:invalid校验输入表单 "> <form class="form-validation"> <div> <label>名字</label> <input type="text" placeholder="请输入你的名字(1到10个中文)" pattern="^[\u4e00-\u9fa5]{1,10}$" required> </div> <div> <label>手机</label> <input type="text" placeholder="请输入你的手机" pattern="^1[3456789]\d{9}$" required> </div> <div> <label>简介</label> <textarea required></textarea> </div> </form> </div>
.form-validation { width: 500px; div + div { margin-top: 10px; } label { display: block; padding-bottom: 5px; font-weight: bold; font-size: 16px; } input, textarea { display: block; padding: 0 20px; border: 1px solid #ccc; width: 100%; height: 40px; outline: none; caret-color: #09f; transition: all 300ms; &:valid { border-color: #3c9; } &:invalid { border-color: #f66; } } textarea { height: 122px; resize: none; line-height: 30px; font-size: 16px; } }
使用 pointer-events 禁用事件触发
解析
- 要点:通过
pointer-events:none
禁用事件触发 (默认事件、冒泡事件、鼠标事件、键盘事件等),相当于<button>
的disabled
- 场景:限时点击按钮 (发送验证码倒计时)、事件冒泡禁用 (多个元素重叠且自带事件、a 标签跳转)
- 兼容:pointer-events
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用pointer-events禁用事件触发"> <a class="disabled-trigger" href="https://www.baidu.com">点我</a> </div>
.disabled-trigger { padding: 0 20px; border-radius: 10px; height: 40px; background-color: #66f; pointer-events: none; line-height: 40px; color: #fff; }
document.getElementsByClassName("disabled-trigger")[0].addEventListener("click", () => alert("Hello World"));
使用 + 或~ 美化选项框
解析
<div class="bruce flex-ct-x" data-title="使用+或~美化选项表单"> <ul class="beauty-selection"> <li> <input id="fed-engineer" type="radio" name="radioName" hidden> <label for="fed-engineer"></label> <span>前端工程师</span> </li> <li> <input id="bed-engineer" type="radio" name="radioName" hidden> <label for="bed-engineer"></label> <span>后端工程师</span> </li> <li> <input id="fsd-engineer" type="radio" name="radioName" hidden> <label for="fsd-engineer"></label> <span>全栈工程师</span> </li> </ul> </div>
.beauty-selection { display: flex; li { display: flex; align-items: center; & + li { margin-left: 20px; } } input:checked + label { background-color: #f90; } label { margin-right: 5px; padding: 2px; border: 1px solid #f90; border-radius: 100%; width: 18px; height: 18px; background-clip: content-box; cursor: pointer; transition: all 300ms; &:hover { border-color: #09f; background-color: #09f; box-shadow: 0 0 7px #09f; } } span { font-size: 16px; } }
使用:focus-within 分发冒泡响应
解析
- 要点:表单控件触发
focus
和blur
事件后往父元素进行冒泡,在父元素上通过:focus-within
捕获该冒泡事件来设置样式 - 场景:登录注册弹框、表单校验、离屏导航、导航切换
- 兼容::focus-within、:placeholder-shown
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用:focus-within分发冒泡响应"> <form class="bubble-distribution"> <h3>注册</h3> <div class="accout"> <input type="text" placeholder="请输入手机或邮箱" pattern="^1[3456789]\d{9}$|^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$" required> <img src="https://b-gold-cdn.xitu.io/v3/static/img/greeting.1415c1c.png"> </div> <div class="password"> <input type="password" placeholder="请输入密码(6到20位字符)" pattern="^[\dA-Za-z_]{6,20}$" required> <img src="https://b-gold-cdn.xitu.io/v3/static/img/blindfold.58ce423.png"> </div> <div class="code"> <input type="text" placeholder="请输入邀请码(6位数字)" pattern="^[\d]{6}$" maxLength="6" required> <button type="button">查询</button> <img src="https://b-gold-cdn.xitu.io/v3/static/img/greeting.1415c1c.png"> </div> <img src="https://b-gold-cdn.xitu.io/v3/static/img/normal.0447fe9.png"> <ul> <li> <input id="male" type="radio" name="sex"> <label for="male">Boy</label> </li> <li> <input id="female" type="radio" name="sex"> <label for="female">Girl</label> </li> </ul> <button type="button">注册</button> </form> </div>
.bruce { background-color: #999; } .bubble-distribution { position: relative; margin-top: 50px; padding: 25px; border-radius: 2px; width: 320px; background-color: #fff; h3 { font-size: 16px; color: #333; } div { margin-top: 10px; } img { position: absolute; left: 50%; bottom: 100%; margin: 0 0 -20px -60px; width: 120px; } ul { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; height: 30px; line-height: 30px; } li { position: relative; width: 45%; transition: all 300ms; &:focus-within { background: linear-gradient(90deg, #09f 50%, transparent 0) repeat-x, linear-gradient(90deg, #09f 50%, transparent 0) repeat-x, linear-gradient(0deg, #09f 50%, transparent 0) repeat-y, linear-gradient(0deg, #09f 50%, transparent 0) repeat-y; background-position: 0 0, 0 100%, 0 0, 100% 0; background-size: 8px 1px, 8px 1px, 1px 8px, 1px 8px; animation: move 500ms infinite linear; } } input[type=text], input[type=password] { padding: 10px; border: 1px solid #e9e9e9; border-radius: 2px; width: 100%; height: 40px; outline: none; transition: all 300ms; &:focus:valid { border-color: #09f; } &:focus:invalid { border-color: #f66; } } input[type=radio] { position: absolute; width: 0; height: 0; &:checked + label { border: 3px solid transparent; background-color: #09f; color: #fff; } } label { display: block; border-bottom: 1px solid #ccc; width: 100%; background-clip: padding-box; cursor: pointer; text-align: center; transition: all 300ms; } button { overflow: hidden; margin-top: 10px; border: none; border-radius: 2px; width: 100%; height: 40px; outline: none; background-color: #09f; cursor: pointer; color: #fff; transition: all 300ms; } .accout, .password, .code { img { display: none; margin-bottom: -27px; } &:focus-within { img { display: block; } & ~ img { display: none; } } } .code { display: flex; justify-content: space-between; button { margin-top: 0; } input { &:not(:placeholder-shown) { width: 70%; & + button { width: 25%; } } &:placeholder-shown { width: 100%; & + button { width: 0; opacity: 0; } } } } } @keyframes move { to { background-position: 6% 0, -6% 100%, 0 -6%, 100% 6%; } }
使用:hover 描绘鼠标跟随
解析
.bruce(data-title="使用:hover描绘鼠标跟随") ul.mouse-following - for (let i = 0; i < 500; i++) li
@function random-num($max, $min: 0, $u: 1) { @return ($min + random($max)) * $u; } .mouse-following { display: flex; overflow: hidden; flex-wrap: wrap; height: 100%; cursor: pointer; li { position: relative; width: 30px; height: 30px; &::before { position: absolute; left: 0; right: 0; top: 0; bottom: 0; border-radius: 100%; background-color: transparent; content: ""; transform: scale3d(.1, .1, 1); transition: all 500ms ease-in; } &:hover { &::before { transform: scale3d(1.8, 1.8, 1.8); transition: transform 0s; } } @for $i from 1 through 500 { &:nth-child(#{$i}):hover { &::before { background-color: rgba(random-num(255), random-num(255), random-num(255), .8); } } } } }
使用 max-height 切换自动高度
解析
- 要点:通过
max-height
定义收起的最小高度和展开的最大高度,设置两者间的过渡切换 - 场景:隐藏式子导航栏、悬浮式折叠面板
- 兼容:max-height
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用max-height切换自动高度"> <ul class="auto-height"> <li> <h3>列表1</h3> <p>内容1<br>内容2<br>内容3<br>内容4</p> </li> <li> <h3>列表2</h3> <p>内容1<br>内容2<br>内容3<br>内容4</p> </li> <li> <h3>列表3</h3> <p>内容1<br>内容2<br>内容3<br>内容4</p> </li> </ul> </div>
.auto-height { width: 300px; li { cursor: pointer; & + li { margin-top: 5px; } &:hover p { border-bottom-width: 1px; max-height: 600px; } } h3 { padding: 0 20px; height: 40px; background-color: #f66; cursor: pointer; line-height: 40px; font-size: 16px; color: #fff; } p { overflow: hidden; padding: 0 20px; border: 1px solid #f66; border-top: none; border-bottom-width: 0; max-height: 0; line-height: 30px; transition: all 500ms; } }
使用 transform 模拟视差滚动
解析
- 要点:通过
background-attachment:fixed
或transform
让多层背景以不同的速度移动,形成立体的运动效果 - 场景:页面滚动、视差滚动文字阴影、视差滚动文字虚影
- 兼容:background-attachment、transform
- 代码:在线演示
<div class="bruce" data-title="使用transform模拟视差滚动"> <ul class="parallax-scrolling"> <li>translateZ(-1px)</li> <li>translateZ(-2px)</li> <li>translateZ(-3px)</li> </ul> <p>内容</p> <ul class="parallax-scrolling"> <li>translateZ(-1px)</li> <li>translateZ(-2px)</li> <li>translateZ(-3px)</li> </ul> </div>
$bg: "https://static.yangzw.vip/codepen/bg.jpg"; .bruce { overflow-x: hidden; overflow-y: auto; perspective: 1px; transform-style: preserve-3d; p { height: 300px; line-height: 300px; text-align: center; font-size: 20px; color: #f66; } } .parallax-scrolling { display: flex; justify-content: center; align-items: center; height: 1000px; background: url($bg) no-repeat center fixed; li { width: 500px; text-align: center; font-weight: bold; font-size: 60px; &:nth-child(1) { color: #f66; transform: translateZ(-1px); } &:nth-child(2) { color: #09f; transform: translateZ(-2px); } &:nth-child(3) { color: #3c9; transform: translateZ(-3px); } } }
使用 animation-delay 保留动画起始帧
解析
- 要点:通过
transform-delay
或animation-delay
设置负值时延保留动画起始帧,让动画进入页面不用等待即可运行 - 场景:开场动画
- 兼容:transform、animation
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用animation-delay保留动画首帧"> <ul class="initial-keyframe"> <li></li> <li></li> <li></li> </ul> </div>
.initial-keyframe { position: relative; width: 100px; height: 100px; li { position: absolute; border-radius: 100%; width: 100%; height: 100%; background-color: #3c9; transform: rotate(0) translate(-80px, 0); animation: rotate 3s linear infinite; &:nth-child(2) { animation-delay: -1s; } &:nth-child(3) { animation-delay: -2s; } } } @keyframes rotate { to { transform: rotate(1turn) translate(-80px, 0); } }
使用 resize 拉伸分栏
解析
<div class="bruce flex-ct-x" data-title="使用resize拉伸多列分栏"> <div class="stretching-column"> <div class="left"> <div class="resize-bar"></div> <div class="resize-line"></div> <div class="resize-text">ABCDEFGHIJKLMNOPQRSTUVWXYZ</div> </div> <div class="right">ABCDEFGHIJKLMNOPQRSTUVWXYZ</div> </div> </div>
.stretching-column { overflow: hidden; border: 1px solid #09f; width: 600px; height: 300px; line-height: 20px; font-size: 16px; color: #f90; .left { overflow: hidden; float: left; position: relative; height: 100%; } .right { overflow: hidden; padding: 10px; height: 100%; background-color: #f0f0f0; word-break: break-all; } .resize-bar { overflow: scroll; width: 200px; height: 100%; opacity: 0; resize: horizontal; &::-webkit-scrollbar { width: 200px; height: 100%; } &:hover, &:active { & ~ .resize-line { border-left: 1px dashed #09f; } } } .resize-line { position: absolute; right: 0; top: 0; bottom: 0; border-left: 1px solid #ccc; border-right: 2px solid #f0f0f0; pointer-events: none; } .resize-text { overflow-x: hidden; position: absolute; left: 0; right: 5px; top: 0; bottom: 0; padding: 10px; word-break: break-all; } }
Color Skill
使用 color 改变边框颜色
解析
- 要点:
border
没有定义border-color
时,设置color
后,border-color
会被定义成color
- 场景:边框颜色与文字颜色相同
- 兼容:color
.elem {
border: 1px solid;
color: #f66;
}
使用 filter 开启悼念模式
解析
<div class="bruce flex-ct-x" data-title="使用filter开启悼念模式"> <img class="mourning-mode" src="https://static.yangzw.vip/codepen/car.jpg"> </div>
.mourning-mode { width: 400px; filter: grayscale(100%); }
使用::selection 改变文本选择颜色
解析
- 要点:通过
::selection
根据主题颜色自定义文本选择颜色 - 场景:主题化
- 兼容:::selection
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用::selection改变选中颜色"> <div class="select-color"> <p>全局选择文字颜色</p> <p>全局选择文字颜色</p> <p class="special">局部选择文字颜色</p> </div> </div>
::selection { background-color: #66f; color: #fff; } .select-color { line-height: 50px; font-weight: bold; font-size: 30px; color: #f66; p.special::selection { background-color: #3c9; } }
使用 linear-gradient 控制背景渐变
解析
<div class="bruce" data-title="使用linear-gradient控制背景渐变"> <div class="gradient-bg">iCSS</div> </div>
.gradient-bg { display: flex; justify-content: center; align-items: center; height: 100%; background: linear-gradient(135deg, #f66, #f90, #3c9, #09f, #66f) left center/400% 400%; font-weight: bold; font-size: 100px; color: #fff; animation: move 10s infinite; } @keyframes move { 0%, 100% { background-position-x: left; } 50% { background-position-x: right; } }
使用 linear-gradient 控制文本渐变
解析
- 要点:通过
linear-gradient
设置背景渐变色,配合background-clip:text
对背景进行文本裁剪,添加滤镜动画 - 场景:主题化、特色标题
- 兼容:gradient、background-clip、filter、animation、
text-fill-color - 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用linear-gradient控制文本渐变"> <h1 class="gradient-text">Full Stack Developer</h1> </div>
.gradient-text { background-image: linear-gradient(90deg, #f66, #f90); background-clip: text; // for Edge Firefox -webkit-background-clip: text; // for Chrome Opera Safari line-height: 60px; font-size: 60px; animation: hue 5s linear infinite; // -webkit-text-fill-color: transparent; color: transparent; } @keyframes hue { from { filter: hue-rotate(0); } to { filter: hue-rotate(-1turn); } }
使用 caret-color 改变光标颜色
解析
- 要点:通过
caret-color
根据主题颜色自定义光标颜色 - 场景:主题化
- 兼容:caret-color
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用:valid和:invalid校验输入表单 "> <form class="form-validation"> <div> <label>名字</label> <input type="text" placeholder="请输入你的名字(1到10个中文)" pattern="^[\u4e00-\u9fa5]{1,10}$" required> </div> <div> <label>手机</label> <input type="text" placeholder="请输入你的手机" pattern="^1[3456789]\d{9}$" required> </div> <div> <label>简介</label> <textarea required></textarea> </div> </form> </div>
.form-validation { width: 500px; div + div { margin-top: 10px; } label { display: block; padding-bottom: 5px; font-weight: bold; font-size: 16px; } input, textarea { display: block; padding: 0 20px; border: 1px solid #ccc; width: 100%; height: 40px; outline: none; caret-color: #09f; transition: all 300ms; &:valid { border-color: #3c9; } &:invalid { border-color: #f66; } } textarea { height: 122px; resize: none; line-height: 30px; font-size: 16px; } }
使用::scrollbar 改变滚动条样式
解析
- 要点:通过
scrollbar
的scrollbar-track
和scrollbar-thumb
等属性来自定义滚动条样式 - 场景:主题化、页面滚动
- 兼容:::scrollbar
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="滚动指示器"> <div class="scroll-indicator"> <div> <article> <h1>2019中国互联网企业100强榜单</h1> <p>8月14日,中国互联网协会、工业和信息化部网络安全产业发展中心(工业和信息化部信息中心)在2019年中国互联网企业100强发布会暨百强企业高峰论坛上联合发布了2019年中国互联网企业100强榜单、互联网成长型企业20强榜单和《2019年中国互联网企业100强发展报告》.阿里巴巴(中国)有限公司、深圳市腾讯计算机系统有限责任公司、百度公司、京东集团、浙江蚂蚁小微金融服务集团股份有限公司、网易集团、美团点评、北京字节跳动科技有限公司、三六零安全科技股份有限公司、新浪公司位列榜单前十名.</p> <p>今年互联网百强企业聚焦创新引领、产业融合、工业互联网等方面,主要呈现出六大特点:</p> <p>一是整体规模跨越式提升,成为数字经济新引擎.2019年互联网百强企业互联网业务收入高达2.75万亿元,比2018年互联网百强企业互联网业务收入增长超过1万亿元,占我国数字经济的比重达8.8%,对数字经济的贡献率达14%,带动数字经济增长近2个百分点成为带动我国互联网产业发展的重要支撑.从互联网业务收入增长率分布看,有86家企业互联网业务收入实现增长.</p> <p>二是研发投入强度突破10%,打造中国核心技术.2019年互联网百强企业的研发投入达到1538.7亿元,同比增长45.1%,平均研发强度突破10%,比我国R&D经费投入强度高出近8个百分点.从研发强度分布看,有40家企业研发强度在10%以上,4家企业研发强度在30%-35%之间.互联网百强企业不断突破核心技术,互联网百强企业不断提升原始创新能力,加快推进5G、人工智能、云计算、大数据等关键核心技术突破,部分技术处于国际领先水平.2019年互联网百强企业已经拥有专利近8万项,其中发明专利数近6万项.2019年互联网百强企业中应用大数据企业29家,云计算28家,人工智能相关企业24家,运用物联网技术相关的企业3家.</p> <p>三是应用场景多元化,智能+打造生活消费新模式.互联网百强企业深化消费互联网发展,已对衣、食、住、行等各方面进行了全场景覆盖,业务涵盖互联网公共服务、网络媒体、音乐与视频、社交网络、科技创新与知识产权等17个领域,全方位提升了人民群众的生活、工作、文化、娱乐、教育等方面的生活质量.2019年互联网百强企业中从事电子商务的共18家;涉及互联网公共服务的共41家,主要提供信息查询、教育医疗、政务办理、公共出行等便民服务,让普通人民享受到"互联网+"带来的便利生活;21家企业涉及音乐与视频业务.同时,互联网百强企业积极发展智能产业,不断拓展"智能+",创造了智慧门店、VR/AR试衣试妆、无感支付等丰富的新消费业态和场景,打造未来智能生活消费新模式.</p> <p>四是工业互联网入实践深耕,赋能传统产业高质量发展.互联网百强企业通过不断向各行各业"渗透"和"赋能",推动云计算、大数据、物联网等信息通信技术与实体经济深入融合,培育新产业、新业态、新模式,支撑实体经济高质量发展.2019年互联网百强企业产业互联网数量再创新高,以服务实体经济客户为主的产业互联网领域企业数量达到60家,累计服务近4000万家企业.其中,涉及互联网数据服务41家,生产制造服务13家,科技创新和知识产权24家,B2B电商11家,互联网基础服务10家.</p> <p>五是"独角兽" 企业快速增长,国际行业地位再创新高.2019年互联网百强企业及下属企业涌现出蚂蚁金服、字节跳动、京东数科、满帮集团、优刻得、找钢网等25家独角兽企业,同比增长38.9%,业务涉及金融科技、智慧物流、电子商务、新文娱等领域.从全球公司市值排名情况看,2018年,全球互联网公司市值前三十强中互联网百强企业占10家,其中,腾讯集团和阿里巴巴稳居全球互联网公司市值前十强.</p> <p>六是覆盖地域实现新扩展,网络扶贫取得新成效.2019年拥有互联网百强企业的省份达到18个,在2018年基础上新增江西和山东两个省份,地域覆盖不断增加.在区域分布上,东部地区互联网百强企业数量共86家,中西部地区互联网百强企业共12家,东北地区互联网百强企业数量保持2家.其中,安徽、贵州、河南、湖北、湖南、江西、重庆、四川8个中西部地区互联网百强企业数量不断增加,较去年增长1家.互联网百强企业积极践行企业社会责任,发挥互联网在助推脱贫攻坚中的作用,探索"直播+电商"等扶贫新模式,推进精准扶贫、精准脱贫.据统计,超过一半以上互联网百强企业参与网络扶贫.</p> </article> </div> </div> </div>
.scroll-indicator { overflow: hidden; position: relative; border: 1px solid #66f; width: 500px; height: 300px; &::after { position: absolute; left: 0; right: 5px; top: 2px; bottom: 0; background-color: #fff; content: ""; } div { overflow: auto; height: 100%; &::-webkit-scrollbar { width: 5px; } &::-webkit-scrollbar-track { background-color: #f0f0f0; } &::-webkit-scrollbar-thumb { border-radius: 2px; background-color: #66f; } } article { padding: 0 20px; background: linear-gradient(to right top, #f66 50%, #f0f0f0 50%) no-repeat; background-size: 100% calc(100% - 298px + 5px); > * { position: relative; z-index: 9; } } h1 { line-height: 40px; text-align: center; font-size: 20px; } p { margin-top: 20px; line-height: 20px; text-indent: 2em; } }
使用 filter 模拟 Instagram 滤镜
解析
<div class="bruce flex-ct-x" data-title="使用filter模拟Instagram滤镜"> <ul class="instagram-filter"> <li> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Default</p> </li> <li class="_1977"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>1977</p> </li> <li class="aden"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Aden</p> </li> <li class="brannan"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Brannan</p> </li> <li class="brooklyn"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Brooklyn</p> </li> <li class="clarendon"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Clarendon</p> </li> <li class="earlybird"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Earlybird</p> </li> <li class="gingham"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Gingham</p> </li> <li class="hudson"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Hudson</p> </li> <li class="inkwell"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Inkwell</p> </li> <li class="kelvin"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Kelvin</p> </li> <li class="lark"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Lark</p> </li> <li class="lofi"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>LoFi</p> </li> <li class="maven"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Maven</p> </li> <li class="mayfair"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Mayfair</p> </li> <li class="moon"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Moon</p> </li> <li class="nashville"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Nashville</p> </li> <li class="perpetua"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Perpetua</p> </li> <li class="reyes"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Reyes</p> </li> <li class="rise"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Rise</p> </li> <li class="slumber"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Slumber</p> </li> <li class="stinson"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Stinson</p> </li> <li class="toaster"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Toaster</p> </li> <li class="valencia"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Valencia</p> </li> <li class="walden"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Walden</p> </li> <li class="willow"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>Willow</p> </li> <li class="xpro2"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>X-pro II</p> </li> <li class="obscure"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <p>自定义:Obscure</p> </li> </ul> </div>
.instagram-filter { display: flex; overflow: auto; flex-wrap: wrap; justify-content: space-between; align-content: space-between; width: 1635px; max-width: 100%; min-height: 630px; li { overflow: hidden; position: relative; width: 225px; height: 150px; &.obscure { filter: brightness(80%) grayscale(20%) contrast(1.2) opacity(.6); } } img { width: 100%; height: 100%; } p { position: absolute; right: 0; bottom: 0; padding: 0 10px; width: fit-content; height: 30px; background-color: #000; filter: none; line-height: 30px; color: #fff; } }
Figure Skill
使用 div 描绘各种图形
使用 mask 雕刻镂空背景
解析
- 要点:通过
mask
为图像背景生成蒙层提供遮罩效果 - 场景:高斯模糊蒙层、票劵 (电影票、购物卡)、遮罩动画
- 兼容:mask、perspective、transform-style、animation
- 代码:在线演示
使用 linear-gradient 描绘波浪线
解析
<div class="bruce flex-ct-x" data-title="使用linear-gradient描绘波浪划线"> <p class="waveline-text">波浪线文字</p> </div>
@mixin waveline($h, $color: #f66) { position: relative; &::after { position: absolute; left: 0; top: 100%; width: 100%; height: $h; background: linear-gradient(135deg, transparent, transparent 45%, $color, transparent 55%, transparent 100%), linear-gradient(45deg, transparent, transparent 45%, $color, transparent 55%, transparent 100%); background-size: $h * 2 $h * 2; content: ""; } } .waveline-text { height: 20px; line-height: 20px; letter-spacing: 10px; @include waveline(10px); }
使用 linear-gradient 描绘彩带
解析
<div class="bruce flex-ct-x" data-title="使用linear-gradient描绘方格彩带"> <div class="colour-bar"></div> </div>
.colour-bar { width: 500px; height: 50px; background-image: repeating-linear-gradient(90deg, #f66, #f66 50px, #66f 50px, #66f 100px); }
使用 conic-gradient 描绘饼图
解析
<div class="bruce flex-ct-x" data-title="使用conic-gradient()描绘彩色饼图"> <div class="pie-chart"></div> </div>
.pie-chart { border-radius: 100%; width: 300px; height: 300px; background-image: conic-gradient(#f66 0 25%, #66f 25% 30%, #f90 30% 55%, #09f 55% 70%, #3c9 70% 100%); }
使用 linear-gradient 描绘方格背景
解析
<div class="bruce flex-ct-x" data-title="使用linear-gradient描绘方格背景"> <div class="square-bg"></div> </div>
.square-bg { width: 500px; height: 300px; background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%), linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%); background-position: 0 0, 20px 20px; background-size: 40px 40px; }
使用 box-shadow 描绘单侧投影
解析
- 要点:通过
box-shadow
生成投影,且模糊半径和负的扩张半径一致,使投影偏向一侧 - 场景:容器投影、背景补间动画 1、背景补间动画 2、立体投影、文字立体投影、文字渐变立体投影、长投影、霓虹灯、灯光阴影
- 兼容:box-shadow、filter、text-shadow
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用box-shadow描绘单侧投影"> <div class="aside-shadow">投影</div> </div>
.aside-shadow { display: flex; justify-content: center; align-items: center; border: 1px solid; width: 100px; height: 100px; box-shadow: -7px 0 5px -5px #f90; font-weight: bold; font-size: 30px; color: #f90; }
使用 filter 描绘头像彩色阴影
解析
<div class="bruce flex-ct-x" data-title="使用filter描绘头像彩色阴影"> <div class="avatar-shadow"></div> </div>
$avatar: "https://static.yangzw.vip/codepen/thor.jpg"; .avatar-shadow { position: relative; border-radius: 100%; width: 200px; height: 200px; background: url($avatar) no-repeat center/cover; &::after { position: absolute; left: 0; top: 10%; z-index: -1; border-radius: 100%; width: 100%; height: 100%; background: inherit; filter: blur(10px) brightness(80%) opacity(.8); content: ""; transform: scale(.95); } }
使用 box-shadow 裁剪图像
解析
- 要点:通过
box-shadow
模拟蒙层实现中间镂空 - 场景:图片裁剪、新手引导、背景镂空、投射定位
- 兼容:box-shadow
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="使用box-shadow裁剪聚焦区域"> <div class="img-cliper"> <img src="https://static.yangzw.vip/codepen/gz.jpg"> <i></i> </div> </div>
.img-cliper { overflow: hidden; position: relative; img { width: 400px; } i { position: absolute; left: 50px; top: 30px; border-radius: 100%; width: 100px; height: 50px; box-shadow: 0 0 0 9999px rgba(#000, .5); } }
<div class="bruce flex-ct-x" data-title="使用box-shadow裁剪聚焦区域"> <div class="img-cliper"> <img src="https://pics.dmm.co.jp/digital/video/pred00172/pred00172jp-1.jpg"> <i></i> </div> </div>
.img-cliper { overflow: hidden; position: relative; img { width: 400px; } i { position: absolute; left: 160px; top: 35px; border-radius: 100%; width: 120px; height: 120px; box-shadow: 0 0 0 9999px rgba(#000, .8); } }
使用 outline 描绘内边框
解析
<div class="bruce flex-ct-x" data-title="使用outline描绘内部边框"> <div class="outside-border"></div> </div>
.outside-border { border: 10px dashed #f90; width: 300px; height: 300px; outline: 10px dashed #09f; outline-offset: -50px; background-color: #3c9; }
Component Skill
迭代计数器
解析
<div class="bruce flex-ct-x" data-title="迭代计数器"> <div class="iterative-counter"> <ul> <li> <input id="angular" type="checkbox"> <label for="angular">Angular</label> </li> <li> <input id="react" type="checkbox"> <label for="react">React</label> </li> <li> <input id="vue" type="checkbox"> <label for="vue">Vue</label> </li> </ul> <p class="count" data-unit="个">框架:</p> <p class="weight" data-unit="%">权重:</p> </div> </div>
.iterative-counter { ul { counter-reset: index 0 count 0 weight 0; } li { display: flex; position: relative; align-items: center; counter-increment: index 1; &::before { content: counter(index)"、"; } & + li { margin-top: 10px; } } input { overflow: hidden; position: absolute; width: 0; height: 0; opacity: 0; &:checked + label::before { color: #3c9; content: "\2713"; } } label { display: flex; align-items: center; height: 20px; &::before { margin-right: 5px; border: 1px solid #3c9; width: 20px; height: 20px; cursor: pointer; line-height: 20px; text-align: center; color: transparent; content: ""; transition: all 300ms; } } p { margin-top: 10px; &.count::after { content: counter(count) attr(data-unit); } &.weight::after { content: counter(weight) attr(data-unit); } } } #angular:checked { counter-increment: count 1 weight 20; } #react:checked { counter-increment: count 1 weight 50; } #vue:checked { counter-increment: count 1 weight 30; }
下划线跟随导航栏
解析
<div class="bruce flex-ct-x" data-title="下划线跟随导航栏"> <ul class="underline-navbar"> <li>Alibaba阿里巴巴</li> <li>Tencent腾讯</li> <li>Baidu百度</li> <li>Jingdong京东</li> <li>Ant蚂蚁金服</li> <li>Netease网易</li> </ul> </div>
.underline-navbar { display: flex; li { position: relative; padding: 10px; cursor: pointer; font-size: 20px; color: #09f; transition: all 300ms; &::before { position: absolute; left: 100%; top: 0; border-bottom: 2px solid transparent; width: 0; height: 100%; content: ""; transition: all 300ms; } &:active { background-color: #09f; color: #fff; } &:hover { &::before { left: 0; top: 0; z-index: -1; border-bottom-color: #09f; width: 100%; transition-delay: 100ms; } & + li::before { left: 0; } } } }
气泡背景墙
解析
<div class="bruce" data-title="气泡背景墙"> <ul class="bubble-bgwall"> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> <li>Love</li> </ul> </div>
.bruce { background-image: linear-gradient(270deg, #8146b4, #6990f6); } .bubble-bgwall { overflow: hidden; position: relative; margin: 0 auto; width: 100%; max-width: 1200px; height: 100%; li { display: flex; position: absolute; bottom: -200px; justify-content: center; align-items: center; border-radius: 10px; width: 50px; height: 50px; background-color: rgba(#fff, .15); color: #ccc; animation: bubble 15s infinite; &:nth-child(1) { left: 10%; } &:nth-child(2) { left: 20%; width: 90px; height: 90px; animation-duration: 7s; animation-delay: 2s; } &:nth-child(3) { left: 25%; animation-delay: 4s; } &:nth-child(4) { left: 40%; width: 60px; height: 60px; background-color: rgba(#fff, .3); animation-duration: 8s; } &:nth-child(5) { left: 70%; } &:nth-child(6) { left: 80%; width: 120px; height: 120px; background-color: rgba(#fff, .2); animation-delay: 3s; } &:nth-child(7) { left: 32%; width: 160px; height: 160px; animation-delay: 2s; } &:nth-child(8) { left: 55%; width: 40px; height: 40px; font-size: 12px; animation-duration: 15s; animation-delay: 4s; } &:nth-child(9) { left: 25%; width: 40px; height: 40px; background-color: rgba(#fff, .3); font-size: 12px; animation-duration: 12s; animation-delay: 2s; } &:nth-child(10) { left: 85%; width: 160px; height: 160px; animation-delay: 5s; } } } @keyframes bubble { 0% { opacity: .5; transform: translateY(0) rotate(45deg); } 25% { opacity: .75; transform: translateY(-400px) rotate(90deg); } 50% { opacity: 1; transform: translateY(-600px) rotate(135deg); } 100% { opacity: 0; transform: translateY(-1000px) rotate(180deg); } }
滚动指示器
解析
<div class="bruce flex-ct-x" data-title="滚动指示器"> <div class="scroll-indicator"> <div> <article> <h1>2019中国互联网企业100强榜单</h1> <p>8月14日,中国互联网协会、工业和信息化部网络安全产业发展中心(工业和信息化部信息中心)在2019年中国互联网企业100强发布会暨百强企业高峰论坛上联合发布了2019年中国互联网企业100强榜单、互联网成长型企业20强榜单和《2019年中国互联网企业100强发展报告》.阿里巴巴(中国)有限公司、深圳市腾讯计算机系统有限责任公司、百度公司、京东集团、浙江蚂蚁小微金融服务集团股份有限公司、网易集团、美团点评、北京字节跳动科技有限公司、三六零安全科技股份有限公司、新浪公司位列榜单前十名.</p> <p>今年互联网百强企业聚焦创新引领、产业融合、工业互联网等方面,主要呈现出六大特点:</p> <p>一是整体规模跨越式提升,成为数字经济新引擎.2019年互联网百强企业互联网业务收入高达2.75万亿元,比2018年互联网百强企业互联网业务收入增长超过1万亿元,占我国数字经济的比重达8.8%,对数字经济的贡献率达14%,带动数字经济增长近2个百分点成为带动我国互联网产业发展的重要支撑.从互联网业务收入增长率分布看,有86家企业互联网业务收入实现增长.</p> <p>二是研发投入强度突破10%,打造中国核心技术.2019年互联网百强企业的研发投入达到1538.7亿元,同比增长45.1%,平均研发强度突破10%,比我国R&D经费投入强度高出近8个百分点.从研发强度分布看,有40家企业研发强度在10%以上,4家企业研发强度在30%-35%之间.互联网百强企业不断突破核心技术,互联网百强企业不断提升原始创新能力,加快推进5G、人工智能、云计算、大数据等关键核心技术突破,部分技术处于国际领先水平.2019年互联网百强企业已经拥有专利近8万项,其中发明专利数近6万项.2019年互联网百强企业中应用大数据企业29家,云计算28家,人工智能相关企业24家,运用物联网技术相关的企业3家.</p> <p>三是应用场景多元化,智能+打造生活消费新模式.互联网百强企业深化消费互联网发展,已对衣、食、住、行等各方面进行了全场景覆盖,业务涵盖互联网公共服务、网络媒体、音乐与视频、社交网络、科技创新与知识产权等17个领域,全方位提升了人民群众的生活、工作、文化、娱乐、教育等方面的生活质量.2019年互联网百强企业中从事电子商务的共18家;涉及互联网公共服务的共41家,主要提供信息查询、教育医疗、政务办理、公共出行等便民服务,让普通人民享受到"互联网+"带来的便利生活;21家企业涉及音乐与视频业务.同时,互联网百强企业积极发展智能产业,不断拓展"智能+",创造了智慧门店、VR/AR试衣试妆、无感支付等丰富的新消费业态和场景,打造未来智能生活消费新模式.</p> <p>四是工业互联网入实践深耕,赋能传统产业高质量发展.互联网百强企业通过不断向各行各业"渗透"和"赋能",推动云计算、大数据、物联网等信息通信技术与实体经济深入融合,培育新产业、新业态、新模式,支撑实体经济高质量发展.2019年互联网百强企业产业互联网数量再创新高,以服务实体经济客户为主的产业互联网领域企业数量达到60家,累计服务近4000万家企业.其中,涉及互联网数据服务41家,生产制造服务13家,科技创新和知识产权24家,B2B电商11家,互联网基础服务10家.</p> <p>五是"独角兽" 企业快速增长,国际行业地位再创新高.2019年互联网百强企业及下属企业涌现出蚂蚁金服、字节跳动、京东数科、满帮集团、优刻得、找钢网等25家独角兽企业,同比增长38.9%,业务涉及金融科技、智慧物流、电子商务、新文娱等领域.从全球公司市值排名情况看,2018年,全球互联网公司市值前三十强中互联网百强企业占10家,其中,腾讯集团和阿里巴巴稳居全球互联网公司市值前十强.</p> <p>六是覆盖地域实现新扩展,网络扶贫取得新成效.2019年拥有互联网百强企业的省份达到18个,在2018年基础上新增江西和山东两个省份,地域覆盖不断增加.在区域分布上,东部地区互联网百强企业数量共86家,中西部地区互联网百强企业共12家,东北地区互联网百强企业数量保持2家.其中,安徽、贵州、河南、湖北、湖南、江西、重庆、四川8个中西部地区互联网百强企业数量不断增加,较去年增长1家.互联网百强企业积极践行企业社会责任,发挥互联网在助推脱贫攻坚中的作用,探索"直播+电商"等扶贫新模式,推进精准扶贫、精准脱贫.据统计,超过一半以上互联网百强企业参与网络扶贫.</p> </article> </div> </div> </div>
.scroll-indicator { overflow: hidden; position: relative; border: 1px solid #66f; width: 500px; height: 300px; &::after { position: absolute; left: 0; right: 5px; top: 2px; bottom: 0; background-color: #fff; content: ""; } div { overflow: auto; height: 100%; &::-webkit-scrollbar { width: 5px; } &::-webkit-scrollbar-track { background-color: #f0f0f0; } &::-webkit-scrollbar-thumb { border-radius: 2px; background-color: #66f; } } article { padding: 0 20px; background: linear-gradient(to right top, #f66 50%, #f0f0f0 50%) no-repeat; background-size: 100% calc(100% - 298px + 5px); > * { position: relative; z-index: 9; } } h1 { line-height: 40px; text-align: center; font-size: 20px; } p { margin-top: 20px; line-height: 20px; text-indent: 2em; } }
故障文本
解析
<div class="bruce flex-ct-x" data-title="故障文本"> <div class="fault-text" data-text="ERROR">ERROR</div> </div>
.bruce { background-color: #000; } .fault-text { position: relative; font-weight: bold; font-size: 100px; color: #fff; &::before, &::after { overflow: hidden; position: absolute; top: 0; background-color: #000; clip: rect(0, 900px, 0, 0); color: #fff; content: attr(data-text); animation: shake 3s linear infinite alternate-reverse; } &::before { left: -2px; text-shadow: 1px 0 #09f; } &::after { left: 2px; text-shadow: -1px 0 #f66; animation-duration: 2s; } } @keyframes shake { $steps: 20; @for $i from 0 through $steps { #{percentage($i * (1 / $steps))} { clip: rect(random(100) + px, 9999px, random(100) + px, 0); } } }
换色器
解析
- 要点:通过拾色器改变图像色相的换色器
- 场景:图片色彩变换
- 兼容:mix-blend-mode
- 代码:在线演示
<div class="bruce" data-title="图像换色器"> <div class="color-changer"> <input type="color" value="#ff6666"> <img src="https://static.yangzw.vip/codepen/car.jpg"> </div> </div>
.color-changer { overflow: hidden; position: relative; height: 100%; input { position: absolute; width: 100%; height: 100%; mix-blend-mode: hue; cursor: pointer; } img { width: 100%; height: 100%; object-fit: cover; } }
状态悬浮球
解析
<div class="bruce flex-ct-x" data-title="状态悬浮球"> <div class="state-ball warning"> <div class="wave"></div> </div> </div>
.state-ball { overflow: hidden; position: relative; padding: 5px; border: 3px solid #3c9; border-radius: 100%; width: 150px; height: 150px; background-color: #fff; &::before, &::after { position: absolute; left: 50%; top: 0; z-index: 20; margin-left: -100px; width: 200px; height: 200px; content: ""; } &::before { margin-top: -150px; border-radius: 45%; background-color: rgba(#fff, .5); animation: rotate 10s linear -5s infinite; } &::after { margin-top: -160px; border-radius: 40%; background-color: rgba(#fff, .8); animation: rotate 15s infinite; } &.warning { border-color: #f90; .wave { background-image: linear-gradient(-180deg, #f0c78a 13%, #f90 91%); } } &.danger { border-color: #f66; .wave { background-image: linear-gradient(-180deg, #f78989 13%, #f66 91%); } } .wave { position: relative; border-radius: 100%; width: 100%; height: 100%; background-image: linear-gradient(-180deg, #af8 13%, #3c9 91%); } } @keyframes rotate { to { transform: rotate(1turn); } }
粘粘球
解析
<div class="bruce flex-ct-x" data-title="粘粘球"> <ul class="sticky-ball"> <li class="ball-1"></li> <li class="ball-2"></li> </ul> </div>
.sticky-ball { position: relative; width: 320px; height: 80px; filter: contrast(10); li { position: absolute; top: 0; padding: 10px; border-radius: 100%; width: 80px; height: 80px; background-color: #f66; filter: blur(5px); animation: 6s infinite; &.ball-1 { left: 0; animation-name: move-1 !important; } &.ball-2 { left: 240px; animation-name: move-2 !important; } } } @keyframes move-1 { 0%, 20%, 100% { width: 80px; height: 80px; } 50% { left: 110px; top: -15px; width: 110px; height: 110px; } 85% { left: 75px; width: 90px; height: 70px; } 90% { top: -2px; width: 75px; height: 85px; } } @keyframes move-2 { 0%, 20%, 100% { width: 80px; height: 80px; } 50% { left: 110px; top: -15px; width: 110px; height: 110px; } 85% { left: 165px; width: 90px; height: 70px; } 90% { top: -2px; width: 75px; height: 85px; } }
商城票券
解析
<div class="bruce flex-ct-x" data-title="商城票券"> <div class="mall-ticket"> <h3>100元</h3> <p>网易考拉代金券</p> </div> </div>
.mall-ticket { display: flex; position: relative; width: 300px; height: 100px; background: radial-gradient(circle at right top, transparent 10px, #f66 0) top left/100px 51% no-repeat, radial-gradient(circle at right bottom, transparent 10px, #f66 0) bottom left/100px 51% no-repeat, radial-gradient(circle at left top, transparent 10px, #ccc 0) top right/200px 51% no-repeat, radial-gradient(circle at left bottom, transparent 10px, #ccc 0) bottom right/200px 51% no-repeat; filter: drop-shadow(2px 2px 2px rgba(#fff, .2)); line-height: 100px; text-align: center; color: #fff; &::before { position: absolute; left: 100px; top: 0; bottom: 0; margin: auto; border: 1px dashed #66f; height: 80px; content: ""; } &::after { position: absolute; left: 100%; top: 0; width: 5px; height: 100%; background-image: linear-gradient(180deg, #ccc 5px, transparent 5px, transparent), radial-gradient(10px circle at 5px 10px, transparent 5px, #ccc 5px); background-size: 5px 15px; content: ""; } h3 { width: 100px; font-size: 30px; } p { flex: 1; font-weight: bold; font-size: 18px; } }
倒影加载条
解析
- 要点:带有渐变倒影的加载条
- 场景:加载提示
- 兼容:box-reflect、animation
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="倒影加载条"> <ul class="reflect-loading"> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> </ul> </div>
$count: 10; $color: #66f #09f; .reflect-loading { display: flex; height: 100px; -webkit-box-reflect: below 0 linear-gradient(rgba(#fff, 0), rgba(#fff, .7)); li { width: 20px; @for $i from 0 to $count { $args: append($color, $i * 100% / ($count - 1)); &:nth-child(#{$i + 1}) { background-color: mix($args...); animation: rotate 3s cubic-bezier(.81, .04, .4, .7) infinite; animation-delay: $i * 50ms; } } } } @keyframes rotate { 0% { transform: rotate(-.5turn) rotateX(-1turn); } 75%, 100% { transform: none; } }
三维立方体
解析
- 要点:三维建模的立方体
- 场景:三维建模
- 兼容:transform、perspective、transform-style、animation
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="三维立方体"> <div class="td-cube"> <ul> <li class="front">1</li> <li class="back">2</li> <li class="top">3</li> <li class="bottom">4</li> <li class="left">5</li> <li class="right">6</li> </ul> </div> </div>
$width: 150px; $height: 150px; $length: 150px; .td-cube { width: $width; height: $height; perspective: 1000px; ul { position: relative; width: 100%; height: 100%; transform: rotateX(-15deg) rotateY(15deg); transform-style: preserve-3d; animation: rotate 5s infinite linear; } li { display: flex; position: absolute; justify-content: center; align-items: center; width: $width; height: $height; opacity: .8; font-size: 50px; color: #fff; &.front { background-color: #f66; transform: translateZ($length / 2); } &.back { background-color: #66f; transform: rotateY(180deg) translateZ($length / 2); } &.top { background-color: #f90; transform: rotateX(90deg) translateZ($height / 2); } &.bottom { background-color: #09f; transform: rotateX(-90deg) translateZ($height / 2); } &.left { background-color: #9c3; transform: rotateY(-90deg) translateZ($width / 2); } &.right { background-color: #3c9; transform: rotateY(90deg) translateZ($width / 2); } } } @keyframes rotate { from { transform: rotateY(0) rotateX(0); } to { transform: rotateY(-1turn) rotateX(-1turn); } }
动态边框
解析
<div class="bruce flex-ct-x" data-title="悬浮边框按钮"> <div class="dynamic-border">iCSS</div> </div>
.dynamic-border { width: 200px; height: 80px; background: linear-gradient(0, #f66 2px, #f66 2px) no-repeat left top/0 2px, linear-gradient(-90deg, #f66 2px, #f66 2px) no-repeat right top/2px 0, linear-gradient(-180deg, #f66 2px, #f66 2px) no-repeat right bottom/0 2px, linear-gradient(-270deg, #f66 2px, #f66 2px) no-repeat left bottom/2px 0; cursor: pointer; line-height: 80px; text-align: center; font-weight: bold; font-size: 50px; color: #f66; transition: all 300ms; &:hover { background-size: 100% 2px, 2px 100%, 100% 2px, 2px 100%; } }
标签页
解析
- 要点:可切换内容的标签页
- 场景:内容切换
- 兼容:scroll-behavior
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="标签选框"> <div class="tab-page"> <nav> <h3> <input type="radio" name="tab"> <label for="tab1">标题1</label> </h3> <h3> <input type="radio" name="tab"> <label for="tab2">标题2</label> </h3> <h3> <input type="radio" name="tab"> <label for="tab3">标题3</label> </h3> </nav> <ul> <li> <input id="tab1"> <p>内容1</p> </li> <li> <input id="tab2"> <p>内容2</p> </li> <li> <input id="tab3"> <p>内容3</p> </li> </ul> </div> </div>
.tab-page { width: 300px; nav { display: flex; border: 1px solid #3c9; height: 40px; line-height: 40px; text-align: center; h3 { position: relative; flex: 1; background-color: #3c9; color: #fff; & + h3 { border-left: 1px solid #fff; } } input { display: none; } label { display: block; width: 100%; height: 100%; cursor: pointer; } } ul { overflow: hidden; scroll-behavior: smooth; border: 1px solid #3c9; border-top: none; height: 100px; li { display: flex; position: relative; justify-content: center; align-items: center; height: 100%; font-size: 20px; color: #09f; } input { position: absolute; width: 0; height: 0; opacity: 0; } } }
标签导航栏
解析
<div class="bruce flex-ct-x" data-title="标签导航"> <div class="tab-navbar"> <input id="tab1" type="radio" name="tabs" hidden checked> <input id="tab2" type="radio" name="tabs" hidden> <input id="tab3" type="radio" name="tabs" hidden> <input id="tab4" type="radio" name="tabs" hidden> <nav> <label for="tab1">标题1</label> <label for="tab2">标题2</label> <label for="tab3">标题3</label> <label for="tab4">标题4</label> </nav> <main> <ul> <li>内容1</li> <li>内容2</li> <li>内容3</li> <li>内容4</li> </ul> </main> </div> </div>
.active { background-color: #3c9; color: #fff; } .tab-navbar { display: flex; overflow: hidden; flex-direction: column-reverse; border-radius: 10px; width: 300px; height: 400px; input { &:nth-child(1):checked { & ~ nav label:nth-child(1) { @extend .active; } & ~ main ul { background-color: #f66; transform: translate3d(0, 0, 0); } } &:nth-child(2):checked { & ~ nav label:nth-child(2) { @extend .active; } & ~ main ul { background-color: #66f; transform: translate3d(-25%, 0, 0); } } &:nth-child(3):checked { & ~ nav label:nth-child(3) { @extend .active; } & ~ main ul { background-color: #f90; transform: translate3d(-50%, 0, 0); } } &:nth-child(4):checked { & ~ nav label:nth-child(4) { @extend .active; } & ~ main ul { background-color: #09f; transform: translate3d(-75%, 0, 0); } } } nav { display: flex; height: 40px; background-color: #f0f0f0; line-height: 40px; text-align: center; label { flex: 1; cursor: pointer; transition: all 300ms; } } main { flex: 1; ul { display: flex; flex-wrap: nowrap; width: 400%; height: 100%; transition: all 300ms; } li { display: flex; justify-content: center; align-items: center; flex: 1; font-weight: bold; font-size: 20px; color: #fff; } } }
折叠面板
解析
<div class="bruce flex-ct-x" data-title="折叠面板"> <div class="accordion"> <input id="collapse1" type="checkbox"> <input id="collapse2" type="checkbox"> <input id="collapse3" type="checkbox"> <article> <label for="collapse1">列表1</label> <p>内容1<br>内容2<br>内容3<br>内容4</p> </article> <article> <label for="collapse2">列表2</label> <p>内容1<br>内容2<br>内容3<br>内容4</p> </article> <article> <label for="collapse3">列表3</label> <p>内容1<br>内容2<br>内容3<br>内容4</p> </article> </div> </div>
.accordion { width: 300px; article { cursor: pointer; & + article { margin-top: 5px; } } input { display: none; &:nth-child(1):checked ~ article:nth-of-type(1) p, &:nth-child(2):checked ~ article:nth-of-type(2) p, &:nth-child(3):checked ~ article:nth-of-type(3) p { border-bottom-width: 1px; max-height: 600px; } } label { display: block; padding: 0 20px; height: 40px; background-color: #f66; cursor: pointer; line-height: 40px; font-size: 16px; color: #fff; } p { overflow: hidden; padding: 0 20px; border: 1px solid #f66; border-top: none; border-bottom-width: 0; max-height: 0; line-height: 30px; transition: all 500ms; } }
星级评分
解析
<div class="bruce flex-ct-x" data-title="星级评分"> <div class="star-rating"> <input type="radio" name="rate"> <input type="radio" name="rate"> <input type="radio" name="rate"> <input type="radio" name="rate"> <input type="radio" name="rate"> </div> </div>
.star-rating { display: flex; flex-direction: row-reverse; input { width: 30px; height: 30px; appearance: none; cursor: pointer; line-height: 30px; text-align: center; font-size: 30px; transition: all 300ms; &::after { color: #66f; content: "☆"; transition: all 300ms; } &:hover { transform: scale(1.2); } &:checked, &:hover { &::after, & ~ input::after { color: #f66; content: "★"; } } } }
加载指示器
解析
<div class="bruce flex-ct-x" data-title="加载指示器"> <div class="loading-indicator">加载中<span></span></div> </div>
.loading-indicator { font-size: 16px; color: #09f; span { display: inline-block; overflow: hidden; height: 1em; line-height: 1; vertical-align: -.25em; &::after { display: block; white-space: pre-wrap; content: "...\A..\A."; animation: loading 3s infinite step-start both; } } } @keyframes loading { 33% { transform: translate3d(0, -2em, 0); } 66% { transform: translate3d(0, -1em, 0); } }
自适应相册
解析
- 要点:自适应照片数量的相册
- 场景:九宫格相册、微信相册、图集
- 兼容::only-child、:first-child、:nth-child()、:nth-last-child()、~
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="自适应相册"> <ul class="response-album"> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> <li class="item"><img src="//static.yangzw.vip/codepen/ab-3.jpg"></li> </ul> </div>
@mixin square($count: 2) { $length: calc((100% - #{$count} * 10px) / #{$count}); width: $length; height: $length; } .response-album { display: flex; flex-wrap: wrap; justify-content: flex-start; align-content: flex-start; padding: 5px; border: 1px solid #ccc; border-radius: 5px; width: 400px; height: 400px; li { display: flex; overflow: hidden; justify-content: center; margin: 5px; background-color: #f0f0f0; @include square(3); } img { width: 100%; height: 100%;object-fit: cover; }
}
// 一个元素
.item:only-child {
border-radius: 10px;
width: auto;
max-width: 80%;
height: auto;
max-height: 80%;
}
// 两个元素
.item:first-child:nth-last-child(2),
.item:first-child:nth-last-child(2) ~ .item:nth-child(2) {
@include square(2);
}
.item:first-child:nth-last-child(2) {
border-radius: 10px 0 0 10px;
}
.item:first-child:nth-last-child(2) ~ .item:nth-child(2) {
border-radius: 0 10px 10px 0;
}
// 三个元素
.item:first-child:nth-last-child(3),
.item:first-child:nth-last-child(3) ~ .item:nth-child(2),
.item:first-child:nth-last-child(3) ~ .item:nth-child(3) {
@include square(2);
}
.item:first-child:nth-last-child(3) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(3) ~ .item:nth-child(2) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(3) ~ .item:nth-child(3) {
border-bottom-left-radius: 10px;
}
// 四个元素
.item:first-child:nth-last-child(4),
.item:first-child:nth-last-child(4) ~ .item:nth-child(2),
.item:first-child:nth-last-child(4) ~ .item:nth-child(3),
.item:first-child:nth-last-child(4) ~ .item:nth-child(4) {
@include square(2);
}
.item:first-child:nth-last-child(4) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(4) ~ .item:nth-child(2) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(4) ~ .item:nth-child(3) {
border-bottom-left-radius: 10px;
}
.item:first-child:nth-last-child(4) ~ .item:nth-child(4) {
border-bottom-right-radius: 10px;
}
// 五个元素
.item:first-child:nth-last-child(5) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(5) ~ .item:nth-child(3) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(5) ~ .item:nth-child(4) {
border-bottom-left-radius: 10px;
}
// 六个元素
.item:first-child:nth-last-child(6) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(6) ~ .item:nth-child(3) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(6) ~ .item:nth-child(4) {
border-bottom-left-radius: 10px;
}
.item:first-child:nth-last-child(6) ~ .item:nth-child(6) {
border-bottom-right-radius: 10px;
}
// 七个元素
.item:first-child:nth-last-child(7) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(7) ~ .item:nth-child(3) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(7) ~ .item:nth-child(7) {
border-bottom-left-radius: 10px;
}
// 八个元素
.item:first-child:nth-last-child(8) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(8) ~ .item:nth-child(3) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(8) ~ .item:nth-child(7) {
border-bottom-left-radius: 10px;
}
// 九个元素
.item:first-child:nth-last-child(9) {
border-top-left-radius: 10px;
}
.item:first-child:nth-last-child(9) ~ .item:nth-child(3) {
border-top-right-radius: 10px;
}
.item:first-child:nth-last-child(9) ~ .item:nth-child(7) {
border-bottom-left-radius: 10px;
}
.item:first-child:nth-last-child(9) ~ .item:nth-child(9) {
border-bottom-right-radius: 10px;
}
圆角进度条
解析
<div class="bruce flex-ct-x" data-title="圆角进度条"> <div class="fillet-progressbar"></div> </div>
@mixin progress-bar($width: 100px, $height: 10px, $color: #f66, $percent: 0) { border-radius: $height / 2; width: $width; height: $height; background-color: #ccc; background-image: radial-gradient(closest-side circle at $percent, $color, $color 100%, transparent), linear-gradient($color, $color); background-repeat: no-repeat; background-size: 100%, $percent; } .fillet-progressbar { @include progress-bar(500px, 10px, #66f, 50%); }
螺纹进度条
解析
<div class="bruce flex-ct-x" data-title="螺纹进度条"> <div class="thread-progressbar"></div> </div>
.thread-progressbar { position: relative; padding-right: 200px; width: 500px; height: calc(1.4142 * 20px); background: repeating-linear-gradient(45deg, #3c9, #3c9 10px, transparent 11px, transparent 19px, #3c9 20px) 0 0 content-box; animation: twill 1s linear infinite; &::after { position: absolute; width: 100%; height: 100%; background-image: linear-gradient(rgba(#000, .5), rgba(#fff, .5), rgba(#000, .5)); content: ""; } } @keyframes twill { to { background-position-y: calc(-1 * 1.4142 * 40px); } }
立体按钮
解析
- 要点:点击呈现按下状态的按钮
- 场景:按钮点击
- 兼容:box-shadow
- 代码:在线演示
<div class="bruce flex-ct-x" data-title="立体按钮"> <button class="stereo-btn">iCSS</button> </div>
.stereo-btn { padding: 10px 20px; border: none; border-radius: 10px; outline: none; background-image: linear-gradient(#09f, #3c9); box-shadow: 0 10px 0 #09f; cursor: pointer; text-shadow: 0 5px 5px #ccc; font-size: 50px; color: #fff; transition: all 300ms; &:active { box-shadow: 0 5px 0 #09f; transform: translate3d(0, 5px, 0); } }
混沌加载圈
解析
<div class="bruce flex-ct-x" data-title="混沌加载圈"> <ul class="chaos-loading"> <li></li> <li></li> <li></li> <li></li> </ul> </div>
.chaos-loading { overflow: hidden; position: relative; border-radius: 100%; width: 200px; height: 200px; &::after { display: block; filter: drop-shadow(2px 4px 6px #000); line-height: 200px; text-align: center; font-weight: bold; font-size: 30px; color: #fff; content: "Loading..."; } li { position: absolute; left: 0; top: 0; border-radius: 100%; width: 100px; height: 100px; filter: blur(25px); animation: move 2s linear infinite; &:nth-child(1) { background-color: #f66; } &:nth-child(2) { background-color: #66f; animation-delay: -500ms; } &:nth-child(3) { background-color: #f90; animation-delay: -1s; } &:nth-child(4) { background-color: #09f; animation-delay: -1.5s; } } } @keyframes move { 0%, 100% { transform: translate3d(0, 0, 0); } 25% { transform: translate3d(100%, 0, 0); } 50% { transform: translate3d(100%, 100%, 0); } 75% { transform: translate3d(0, 100%, 0); } }
蛇形边框
解析
<div class="bruce flex-ct-x" data-title="蛇形边框"> <div class="snakelike-border"></div> </div>
.snakelike-border { position: relative; width: 190px; height: 190px; background-color: #3c9; &::before, &::after { position: absolute; left: -5px; right: -5px; top: -5px; bottom: -5px; border: 5px solid; content: ""; animation: move 5s linear infinite; } &::before { border-color: #f66; } &::after { border-color: #66f; animation-delay: -2.5s; } } @keyframes move { 0%, 100% { clip: rect(0 200px 5px 0); } 25% { clip: rect(0 200px 200px 195px); } 50% { clip: rect(195px 200px 200px 0); } 75% { clip: rect(0 5px 200px 0); } }
自动打字
解析
<div class="bruce flex-ct-x" data-title="自动打字"> <div class="auto-typing">Do You Want To Know More About CSS Development Skill</div> </div>
@mixin typing($count: 0, $duration: 0, $delay: 0) { overflow: hidden; border-right: 1px solid transparent; width: #{$count + 1}ch; font-family: Consolas, Monaco, monospace; white-space: nowrap; animation: typing #{$duration}s steps($count + 1) #{$delay}s infinite backwards, caret 500ms steps(1) #{$delay}s infinite forwards; } .auto-typing { font-weight: bold; font-size: 30px; color: #09f; @include typing(52, 5); } @keyframes caret { 50% { border-right-color: currentColor; } } @keyframes typing { from { width: 0; } }
总结
写到最后总结得差不多了,如果后续我想起还有哪些遗漏的 CSS 开发技巧,会继续在这篇文章上补全.