老师检查下

来源：2-5 编程练习

罗杰明

2020-01-07 15:30:04

    <html>
   <head>
       <meta charset="text/css">
       <title>网站测试</title>
       <style class="text/css">

           .div1{
               background-color:red;
               width:500px;
               height:500px;
               margin-left:100px;
               margin-top:100px;
               position:relative;

           }
           .div2{
               background-color:blue;
               width:250px;
               height:250px;
               position:absolute;
               top:130px;
               left:120px;
           }
       </style>
   </head>
   <body>
       <div class="div1">
           <div class="div2"></div>
       </div>
   </body>
   </html>