3D立方体案例 | 立方体

代码：
<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            .rect-wrap {
                position: relative;
                perspective: 1600px;
                margin: auto;
                margin-left: 500px;
            }
            .container {
                width: 800px;
                height: 800px;
                transform-style: preserve-3d;
                transform-origin: 50% 50% 200px; /*//设置3d空间的原点在平面中心再向Z轴移动200px的位置*/
            }
            .slide {
                width: 400px;
                height: 400px;
                position: absolute;  /*//定位*/
                opacity: 0.8;
                font-size: 40px;
            }
            .top {
                left: 200px;
                top: -200px;
                transform: rotateX(-90deg);
                transform-origin: bottom;
                background-color: royalblue;
            }
            .bottom {
                left: 200px;
                bottom: -200px;
                transform: rotateX(90deg);
                transform-origin: top;
                background-color: firebrick;
            }
            .left {
                left: -200px;
                top: 200px;
                transform: rotateY(90deg);
                transform-origin: right;
                background-color: deeppink;
            }
            .right {
                left: 600px;
                top: 200px;
                transform: rotateY(-90deg);
                transform-origin: left;
                background-color: gold;
            }
            .front {
                left: 200px;
                top: 200px;
                transform: translateZ(400px); /* //立方体前面正对着屏幕，所以不用旋转，只需向Z轴前移动距离*/
                background-color: coral;
            }
            .back {
                left: 200px;
                top: 200px;
                transform: translateZ(0);  /* //立方体后面正对着屏幕，所以不用旋转，只需向Z轴后移动距离*/
                background-color: lightpink;
            }

            @keyframes rotate-frame {
                0% {
                    transform: rotateX(0deg) rotateY(0deg);
                }
                10% {
                    transform: rotateX(0deg) rotateY(180deg);
                }
                20% {
                    transform: rotateX(-180deg) rotateY(180deg);
                }
                30% {
                    transform: rotateX(-360deg) rotateY(180deg);
                }
                40% {
                    transform: rotateX(-360deg) rotateY(360deg);
                }
                50% {
                    transform: rotateX(-180deg) rotateY(360deg);
                }
                60% {
                    transform: rotateX(90deg) rotateY(180deg);
                }
                70% {
                    transform: rotateX(0) rotateY(180deg);
                }
                80% {
                    transform: rotateX(90deg) rotateY(90deg);
                }
                90% {
                    transform: rotateX(90deg) rotateY(0);
                }
                100% {
                    transform: rotateX(0) rotateY(0);
                }
            }
            .container{
                animation: rotate-frame 30s linear infinite;
            }

        </style>
    </head>

    <body>
        <div class="rect-wrap"><!--//舞台元素，设置perspective，让其子元素获得透视效果。-->
            <div class="container"><!--//容器，设置transform-style: preserve-3d，让其子元素在3D空间呈现-->
                <!-- //立方体的六个面-->
                <div class="top slide">上</div>
                <div class="bottom slide">下</div>
                <div class="left slide">左</div>
                <div class="right slide">右</div>
                <div class="front slide">前</div>
                <div class="back slide">后</div>
            </div>
        </div>
    </body>

</html>
效果：