实例：翻书动画
技术栈：HTML+CSS
效果：
源码：
【html】
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>纯CSS实现翻书动画</title>
<link rel="stylesheet" href="../css/84.css">
</head>
<body>
<div class="book">
<div class="cover">
<span>葵花宝典</span>
</div>
<div class="content">
<p>欲练此功</p>
<p>必先自宫</p>
</div>
</div>
</body>
</html>
【css】
*{
/* 初始化 */
margin: 0;
padding: 0;
}
body{
/* 100%窗口高度 */
height: 100vh;
/* 弹性布局 水平+垂直居中 */
display: flex;
justify-content: center;
align-items: center;
background: #dfb88e;
}
.book{
width: 300px;
height: 400px;
background-color: #fff;
/* 开启3D效果 */
transform-style: preserve-3d;
/* 设置视距 */
perspective: 2000px;
/* 阴影 */
box-shadow: inset 300px 0 30px rgba(0,0,0,0.2),
0 10px 100px rgba(0,0,0,0.3);
/* 动画过渡 */
transition: 1s;
}
/* 鼠标移入，阴影变化+旋转 */
.book:hover{
transform: rotate(-10deg);
box-shadow: inset 20px 0 30px rgba(0,0,0,0.2),
0 10px 100px rgba(0,0,0,0.3);
}
.book::before{
content: "";
position: absolute;
left: 0;
top: -5px;
width: 100%;
height: 5px;
background-color: #0d2a50;
transform-origin: bottom;
transform: skewX(-45deg);
}
.book::after{
content: "";
position: absolute;
top: 0;
right: -5px;
width: 5px;
height: 100%;
background-color: #3d5a83;
transform-origin: left;
transform: skewY(-45deg);
}
/* 封面 */
.book .cover{
width: 100%;
height: 100%;
background-color: #2A3F5C;
display: flex;
justify-content: center;
align-items: center;
/* 相对定位 */
position: relative;
/* 设置旋转元素的基点位置 */
transform-origin: left;
transition: 1s;
}
.book .cover span{
/* 绝对定位 */
position: absolute;
right: 30px;
top: 30px;
background-color: #fff;
font-size: 40px;
font-family: "隶书";
/* 竖向文本 */
writing-mode: vertical-lr;
padding: 10px 5px 5px 5px;
/* 字间距 */
letter-spacing: 5px;
}
.book:hover .cover{
transform: rotateY(-135deg);
}
.book .content{
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
z-index: -1;
font-size: 40px;
font-family: "隶书";
line-height: 50px;
letter-spacing: 5px;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
