概要
层叠样式表(英文全称：Cascading Style Sheets)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。熟练掌握CSS的基本原理可以实现更好的页面交互效果，提升用户的使用体验。
代码实现
新建文件夹social-3d-hover，social-3d-hover下新建index.html和style.css文件，index.html引入本地font-awesome字体库或者CDN上的资源
目录结构
index.html代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="./fontawesome-free-5.11.2-web/css/all.min.css">
<link rel="stylesheet" href="style.css">
<title>按钮 3D 分层悬停效果</title>
</head>
<body>
<div class="icons">
<a href="#">
<div class="layer">
<span></span>
<span></span>
<span></span>
<span></span>
<span class="fab fa-facebook-f"></span>
</div>
<span class="text">Facebook</span>
</a>
<a href="#">
<div class="layer">
<span></span>
<span></span>
<span></span>
<span></span>
<span class="fab fa-twitter"></span>
</div>
<span class="text">Twitter</span>
</a>
<a href="#">
<div class="layer">
<span></span>
<span></span>
<span></span>
<span></span>
<span class="fab fa-instagram"></span>
</div>
<span class="text">Instagram</span>
</a>
<a href="#">
<div class="layer">
<span></span>
<span></span>
<span></span>
<span></span>
<span class="fab fa-linkedin-in"></span>
</div>
<span class="text">Linkedin</span>
</a>
<a href="#">
<div class="layer">
<span></span>
<span></span>
<span></span>
<span></span>
<span class="fab fa-youtube"></span>
</div>
<span class="text">Youtube</span>
</a>
</div>
</body>
</html>
style.css代码
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: #000;
}
html, body {
display: grid;
height: 100%;
place-items: center;
background: #000;
}
.icons {
display: inline-flex;
}
.icons a {
margin: 0 25px;
text-decoration: none;
color: #fff;
display: block;
position: relative;
}
.icons a .layer {
width: 55px;
height: 55px;
transition: all .3s;
/* border: 1px solid #fff; */
}
.icons a:hover .layer {
transform: rotate(-35deg) skew(20deg);
}
.icons a .layer span {
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
border: 1px solid #fff;
border-radius: 5px;
transition: all .3s;
}
.icons a:hover .layer span:nth-child(1) {
opacity: 0.2;
}
.icons a:hover .layer span:nth-child(2) {
opacity: 0.4;
transform: translate(5px, -5px);
}
.icons a:hover .layer span:nth-child(3) {
opacity: 0.6;
transform: translate(10px, -10px);
}
.icons a:hover .layer span:nth-child(4) {
opacity: 0.8;
transform: translate(15px, -15px);
}
.icons a:hover .layer span:nth-child(5) {
opacity: 1;
transform: translate(20px, -20px);
}
.icons a:nth-child(1) .layer span,
.icons a:nth-child(1) .text {
color: #4267B2;
border-color: #4267B2;
}
.icons a:nth-child(2) .layer span,
.icons a:nth-child(2) .text {
color: #1DA1F2;
border-color: #1DA1F2;
}
.icons a:nth-child(3) .layer span,
.icons a:nth-child(3) .text {
color: #E1306C;
border-color: #E1306C;
}
.icons a:nth-child(4) .layer span,
.icons a:nth-child(4) .text {
color: #2867B2;
border-color: #2867B2;
}
.icons a:nth-child(5) .layer span,
.icons a:nth-child(5) .text {
color: #ff0000;
border-color: #ff0000;
}
.icons a:hover:nth-child(1) .layer span {
box-shadow: -1px 1px 3px #4267B2;
}
.icons a:hover:nth-child(2) .layer span {
box-shadow: -1px 1px 3px #1DA1F2;
}
.icons a:hover:nth-child(3) .layer span {
box-shadow: -1px 1px 3px #E1306C;
}
.icons a:hover:nth-child(4) .layer span {
box-shadow: -1px 1px 3px #2867B2;
}
.icons a:hover:nth-child(5) .layer span {
box-shadow: -1px 1px 3px #E1306C;
}
.icons a .layer span.fab {
font-size: 30px;
line-height: 55px;
text-align: center;
}
.icons a .text {
position: absolute;
left: 50%;
transform: translateX(-50%);
bottom: -5px;
opacity: 0;
transition: bottom .3s ease, opacity .3s ease;
}
.icons a:hover .text {
bottom: -35px;
opacity: 1;
}