css盒子模型3d图

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS 3D Box Model</title>
    <style>
        .container {
            perspective: 1000px;
        }
        .box {
            width: 200px;
            height: 200px;
            background-color: #3498db;
            margin: 50px auto;
            transform-style: preserve-3d;
            animation: rotate 5s infinite linear;
        }
        .box:before, .box:after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background-color: rgba(0, 0, 0, 0.5);
            border: 1px solid #000;
        }
        .box:before {
            transform: rotateY(90deg) translateX(100px);
            transform-origin: left;
        }
        .box:after {
            transform: rotateY(-90deg) translateX(-100px);
            transform-origin: right;
        }
        @keyframes rotate {
            from { transform: rotateY(0deg); }
            to { transform: rotateY(360deg); }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="box"></div>
    </div>
</body>
</html>