Fwd: overflow:hidden;

*{

margin:0; 

padding:0;

}

#main{

width:900px;

min-height:400px;

background-color:green;

margin:auto;

overflow:hidden;

}

#head{

height:200px;

background-color:blue;

}

#right{

float:right;

width:300px;

height:600px;

background-color:red;

margin:10px;

}

#left{

float:left;

width:570px;

height:400px;

background-color:yellow;

margin:10px;

margin-right:0px;

}