jQuery操纵DIV但不操纵它的子元素

This is my layout:

这是我的布局:

     <div id="outerwrap">
          <div id="innerwrap">      
             <div id="centerc">...</div>          

             <div id="rightc" style="font-weight:bold">
          </div>
          <div style="background-color:White;height:10px;top:284px;left:0px"></div>

          <div id="leftc">..</div>
        </div>
       <div id="footer"">...</div>

    #outerwrap
    {
       background-color: #EE44E7;
    }

    #innerwrap
    {
       background-color: #EE44E7;
       margin-right: 200px;
       top:0px;
       height:100%;
    }


    #leftc
    {
       position: absolute;
       top: 111px;
       left: 0px;
       width: 197px;
       background-color: #EE44E7;
       font-size: 10px;
    }

    #centerc
    {
       position: relative;
       margin-left: 199px;
       padding: 0px;
       background-color: white;
    }

    #rightc
    {
       position: absolute;
       top:111px;
       right: 0px;         
       width: 199px;
       color: blue;
       background-color: #EE44E7;
       font-size: 10px;
    }


#footer
    {
    padding: 0px;
    margin: 0px;
    width: 100%;
    height: 62px;
visibility: hidden;
    }
     <div id="ou