lovecoding
/
VIP22


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;padding: 0;
    }
    body{
      perspective: 800px;
    }
    #div1{
      width: 200px;
      height: 200px;
      border: 1px dashed #000;
      margin: 100px auto;
      transform: rotateY(45deg);
      /* 指定子元素在三维空间内 */
      transform-style: preserve-3d;
    }
    #div2{
      width: 200px;
      height: 200px;
      background: aqua;
      transform: rotateY(45deg);
    }
  </style>
</head>
<body>
  <div id="div1">
    <div id="div2"></div>
  </div>
</body>
</html>