3-19編程練習

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>border属性</title>
    <style type="text/css">
        .container{
          width:200px;
          height:200px;
          background-color:pink;
          padding:50px 100px;
            /*补充样式*/
            
            
        }
        .content{
          width:100px;
          height:100px;
          background-color:purple;
          padding:30px 30px 30px;

           /*补充样式*/
           
           
           
        }
span{background-color:yellow;}
    </style>
</head>
<body>
    <div class="container">
      <div class="content">
         <span>
           我是span元素
          </span>
</div>
    </div>
</body>
</html>

慕数据3203843 2019-08-16

源自：盒子模型 3-19 编程练习