css3实现正方体 纯css

<!-- 样式 -->
<style>
    * {
        margin: 0;
        padding: 0;
    }
    :root,
    html,
    body {
        width: 100%;
        height: 100%;
        background-color: bisque;
        perspective: 800px;
    }
    .wrapper {
        width: 300px;
        height: 300px;
        box-sizing: border-box;
        position: absolute;
        border: 1px solid #dddd;
        top: calc(50% - 150px);
        left: calc(50% - 150px);
        transform-style: preserve-3d;
        transform: rotateX(20deg) rotateY(30deg) rotateZ(50deg);
    }
    .wrapper div {
        width: 100%;
        height: 100%;
        position: absolute;
        font-size: 100px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    /* 前面 */
    .wrapper div:nth-of-type(1) {
        background-color: #ff0;
        color: #fff;
        transform: translateZ(150px);
        opacity: 0.5;
    }
    /* 后面 */
    .wrapper div:nth-of-type(2) {
        background-color: rgb(41, 170, 95);
        color: #000;
        transform: translateZ(-150px);
        opacity: 0.5;
    }
    /* 上面 */
    .wrapper div:nth-of-type(3) {
        background-color: rgb(24, 194, 194);
        color: #fff;
        transform: rotateX(90deg) translateZ(150px) ;
        opacity: 0.5;
    }
    /* 下面 */
    .wrapper div:nth-of-type(4) {
        background-color: rgb(46, 100, 201);
        color: #000;
        transform: rotateX(90deg) translateZ(-150px) ;
        opacity: 0.5;
    }
    /* 左边 */
    .wrapper div:nth-of-type(5) {
        background-color: rgb(228, 78, 135);
        color: #000;
        transform: rotateY(90deg) translateZ(-150px) ;
        opacity: 0.5;
    }
    /* 右边 */
    .wrapper div:nth-of-type(6) {
        background-color: rgb(153, 50, 156);
        color: #fff;
        transform: rotateY(90deg) translateZ(150px) ;
        opacity: 0.5;
    }
</style>

<div class="wrapper">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <div>4</div>
    <div>5</div>
    <div>6</div>
</div>