1回答

• 

  猴宝宝出世

  2016-11-03 17:02:32

  .mainBox{width:960px;
          height:300px;
          background-color:#CFF;
      }
  .leftBox{
      width:740px;
      height:300px;
      background-color:#C9F;
      float:left;
  }
  .rightBox{
      width:210px;
      height:300px;
      background-color:#FCF;
      float:right;
      
  }

  
  

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