#content_l, #content_m, #content_r {
   width:255px;
   height: 250px;
}
#content_l {
   float:left;
   margin: 0 0 0 70px;
   padding: 0 30px 0 0;
   border-right:1px solid #e8e7e5;
}
#content_m {
   float:left;
   margin: 0 0 0 50px;
   padding: 0 30px 0 0;
   border-right:1px solid #e8e7e5;
}
#content_r {
   float:left;
   margin: 0 0px 0 50px;
   width: 230px;
}