.dlgtbl 
{
   border-right:1px solid black;
   border-left:2px solid black;
   border-top:2px solid black;
   border-bottom:1px solid black;
   
}

.dlgtblcell
{
   border-right:1px solid black;
   border-bottom:1px solid black;
   }

.dlgtblhdrcell 
{
   border-right:1px solid black;
   border-bottom:2px solid black;

}