请问我的紫色背景怎么不见了...

来源：3-19 编程练习

随自然而然

2018-01-17 20:17:28

<html>
<head>
    <meta charset="UTF-8">
    <title>border属性</title>
    <style type="text/css"> 
    .container{ width:200px; height:200px; background-color:pink; padding-top:50px; padding-left:100px; } 
    .content{ width:100px; height:100px; background-color:purple; padding-top:30px; padding-left:30px; padding-right:30px; }
           
        }
span{background-color:yellow;}
    </style>
</head>
<body>
    <div class="container">
      <div class="content">
         <span>
           我是span元素
          </span>
</div>
    </div>
</body>
</html>

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