为什么粉色div浮不上去！

Question

#main{
        height:1300px;
        background:white;
    }
      #left{
        height:1500px;
        width:200px;
        background:red;
        float:left;
    }    #fenlei{
        width:200px;
        height:300px;
        background:gray;
        border-bottom:10px solid white;            灰色div
    }    #paiding{
        width:200px;
        height:315px;
        background:gray;
        border-bottom:10px solid white;
    }    #pingpai{
        width:200px;
        height:590px;
        background:gray;
        border-bottom:10px solid white;
    }    #fahuo{
        width:200px;
        height:540px;
        background:gray;
        border-bottom:10px solid white;
    }    #chaxun{
        width:200px;
        height:100px;
        background:gray;
        border-bottom:10px solid white;
    }    #right{
        height:1700px;
        width:779px;
        background:white;
        float:left;
    }    #biaozhi{
        width:196px;
        height:313px;
        background:pink;                             粉色div
        clear:both;
    }    #shangping{
        width:779px;
        height:274px;
        background:#dddddd;
        border-bottom:10px solid white;
    }    #tuijian{
        width:779px;
        height:274px;
        background:#dddddd;
        border-bottom:10px solid white;
    }    #xinping{
        width:779px;
        height:274px;
        background:#dddddd;
        border-bottom:10px solid white;
    }    #shishang{
        width:779px;
        height:274px;
        background:#dddddd;
        border-bottom:10px solid white;
    }    #baobao{
        width:779px;
        height:274px;
        background:#dddddd;
        border-bottom:10px solid white;
    }

Answer 1

你的html呢？只有css怎么知道哪里出问题。