#body {
width: 90%;
height: 500px;
background: gray;
margin: auto;
padding: 10px;
} #content {
background-color:white;
float: left;
width:70%;
height:500px;
overflow:hidden;
} #sidebar {
background-color:lightgray;
float: right;
text-align:center;
width: 29%;
height: 500px;
overflow:hidden;
}