#content_m {
   width:410px;
   float:left;
   margin: 0 0 0 60px;
   padding: 0 30px 0 0;
   /*border-right: 1px solid #e8e7e5;*/
}
#content_r {
   width:250px;
   height:300px;
   float:left;
   padding: 0 0 0 40px;
   border-left: 1px solid #e8e7e5;
}