#mainWrapper{ float: left; width:640px; }

#main-top{ float: left; background-image: url(../images/light/main-top.png); background-repeat: no-repeat; width: 580px; height: 11px;
 }

#main{
padding: 15px; background-image: url(../images/light/main-body.png); background-repeat: repeat-y; width: 550px;
}

#main-bottom{
float: left; background-image: url(../images/light/main-bottom.png); background-repeat: no-repeat; width: 580px; height: 11px; padding-bottom:25px;
}