3D正方体做法

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/less">
        *{
            margin: 0;
            padding: 0;
        }
        @w:200px;
        .box{
            width: @w;
            height: @w;
            position: relative;
            margin: 100px auto 0;
            perspective: 2000px;//景深
            transform-style: preserve-3d;
            ul{
                list-style: none;
                width: @w;
                height: @w;
                position: relative;
                transform: rotateX(30deg) rotateY(45deg);
                transform-style:preserve-3d ;//加到父亲盒子边上
                animation: move 2s linear infinite;
                transform-origin: @w / 2 @w /2 -@w/2;
                //2s运动时长 linear 匀速运动 infinite不限次数
                li{
                    position: absolute;
                    top:0;
                    left: 0;
                    width: 100%;
                    background: rgba(151,255,151,0.6);
                    text-align:center;
                    line-height: @w;
                    font-size: 40px;
                    border: 2px solid rgba(25, 22, 177, 0.75);
                    box-sizing: border-box;
                }
                li:nth-child(1){
                    transform: translateY(-@w) rotateX(90deg
                    );transform-origin: bottom;
                }
                li:nth-child(2){
                    transform: translateY(@w)rotateX(-90deg);
                    transform-origin: top;

                }
                li:nth-child(3){
                    transform: translateX(-@w)rotateY(-90deg);
                    transform-origin: right;
                }
                li:nth-child(4){
                    transform: translateX(@w)rotateY(90deg);
                    transform-origin: left;
                }
                li:nth-child(5){
                    transform: translateZ(-@w);
                }

            }
        @keyframes move{
            0%{
                transform: rotateX(0)rotateY(0);
            }
            100%{
                transform: rotateX(360deg)rotateY(360deg);
            }
        }
        }
    </style>
    <script src="../第一天/js/less.js"></script>
</head>
<body>
<div class="box">
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
    </ul>
</div>
</body>
</html>
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