#main{
 width:80%;
 min-width:950px;
 margin:10px auto;
}

#menu{
 width:300px;
 float:left;
 text-align:center;
 margin:0px 10px 10px 0px;
}

#twitter{
 width:400px;
 float:left;
 margin-bottom:10px;
}