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#banner {
width:100%;
height:100px;
background-color:#333;}

#left{
width:160px;
background-color:#999999;
float:left;
}

#center{ 
width:580px;
background-color:#999;
float:left;
margin-left:10px;
margin-right:10px;
}

#right{width:200px;
background-color:#ccccccc;
float:left;
}

#footer{width:100%;
height:20px;
background-color:#FF0000;
}