前言

学动画的时候看到的，很有意思，有兴趣可以看全文

CSS 怎样写一个动画（从基础动画到3d动画)

完整代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>3D 盒子旋转</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        body {
            perspective: 1200px;
            background: black;
        }
        #box {
            transform-style: preserve-3d;
            margin: 180px auto;
            margin-bottom: 0;
            width: 200px;
            height: 200px;
            position: relative;
            animation: g 5s infinite linear;
            text-align: center;
            line-height: 200px;
            color: white;
            font-size: 100px;
            text-shadow: 0 0 10px white;
        }
        span {
            transform: translateZ(40px) rotateZ(0);
            position: absolute;
            left: 25%;
            animation: g2 3s infinite linear;
        }
        #q {
            width: 200px;
            height: 200px;
            /* background: green; */
            transform: translateZ(100px);
            position: absolute;
        }
        #h {
            width: 200px;
            height: 200px;
            /* background: pink; */
            transform: translateZ(-100px) rotateX(180deg);
            position: absolute;
        }
        #s {
            width: 200px;
            height: 200px;
            /* background: skyblue; */
            transform: translateY(-100px) rotateX(90deg);
            position: absolute;
        }
        #x {
            width: 200px;
            height: 200px;
            /* background: yellow; */
            transform: translateY(100px) rotateX(-90deg);
            position: absolute;
        }
        #z {
            width: 200px;
            height: 200px;
            /* background: blue; */
            transform: translateX(-100px) rotateY(-90deg);
            position: absolute;
        }
        #y {
            width: 200px;
            height: 200px;
            /* background: red; */
            transform: translateX(100px) rotateY(90deg);
            position: absolute;
        }
        @keyframes g {
            33% {
                transform: rotateY(120deg) rotateZ(120deg);
            }
            66% {
                transform: rotateY(240deg) rotateZ(240deg);
            }
            100% {
                transform: rotateY(360deg) rotateZ(360deg);
            }
        }
        @keyframes g2 {
            100% {
                transform: translateZ(40px) rotateZ(-720deg);
            }
        }
        @keyframes g3 {
            50% {
                box-shadow: 0 0 50px #fff inset, 0 0 50px #fff;
            }
        }
        div:not(#box) {
            animation: g3 5s infinite;
        }
        #box div {
            transform-style: preserve-3d;
        }
    </style>
</head>
<body>
    <div id="box">
        <div id="q"><span>凝</span></div>
        <div id="h"><span>寒</span></div>
        <div id="s"><span>芷</span></div>
        <div id="x"><span>蕊</span></div>
        <div id="z"><span>涵</span></div>
        <div id="y"><span>傲</span></div>
    </div>
</body>
</html>