帮忙看一下是否正确，谢谢！

来源：3-12 编程练习

慕九州4495990

2019-05-17 22:29:09

<!DOCTYPE html>
<html>
    <head>
   <meta charset="UTF-8">
   <title>vertical-align</title>
   <style type="text/css">
    *{padding:0px;margin: 0px;}
   
    .warp1{    
              height:80px;
              width: 100%;
              background-color: #14191e;              
           /*在此补充代码*/
             }
     .warp1 h1{ color:#fff;
                text-align:center;
                font-size:24px;
                line-height:80px;
       /*在此补充代码*/ }
     .warp2{
              height:400px;
              width: 100%;
              border:1px  #14191e solid;
              /*在此补充代码*/  
              text-align: center;
              display: table;
             }
     .content{    
              /*在此补充代码*/
              display: table-cell;
              vertical-align: middle;
              
              }
     .content  p{ width:500px;
                  font-family: "微软雅黑";
                  margin:0 auto;
                  line-height: 1.5em;
                  font-size: 14px;
                  text-align: left;
        /*在此补充代码*/}   
   </style>
</head>
<body>
<div class="warp1">
          <h1>欢迎来到慕课网</h1>      
</div>
  <div class="warp2">
        <div class="content">
           <p>慕课网，只学有用的！</p>
           <p>慕课网（IMOOC）是IT技能学习平台。慕课网(IMOOC)提供了丰富的移动端开发、php开发、web前端、android开发以及html5等视频教程资源公开课。并且富有交互性及趣味性，你还可以和朋友一起编程。</p>
        </div>
</div>    
</body>
</html>

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