lovecoding
/
W260426


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /*  把body当做舞台大屏幕 */
        body{
            /* 3D效果需要设置透视距离(观众距离屏幕的间距) */
            perspective: 1000px;
        }
        .box{
            width: 200px;
            height: 200px;
            border:2px dashed black;
            position: relative;
            margin: 100px auto;
            transition:all 1s linear;
            /* 3D效果需要设置3D空间 */
            transform-style: preserve-3d;
            /* transform: rotateY(50deg); */
        }
        .face-front,.face-back{
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            
        }
        .face-front{
            background-color: red;
            /* translateZ 垂直于屏幕的轴 */
            transform: translateZ(20px);
        }
        .face-back{
            background-color: blue;
            /* translateZ 垂直于屏幕的轴 */
            transform: translateZ(-20px);
        }
        .box:hover{
            transform: rotateY(180deg);
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="face-front"></div>
        <div class="face-back"></div>
    </div>
</body>
</html>