body { font-family: Verdana, Arial, Helvetica, sans-serif; }
  
  table.t-board { table-layout:fixed; 
  		border-collapse:separate; 
                background:white; 
                border:1px solid #eee; 
                border-spacing:2px; 
                }
  tr.game:hover { background:#ddf; }
  tr.tr-board { height:40px; 
  		background:white; ;
  		}
  
  td.td-mark   { width:40px; 
  		background:#eef;  
  		vertical-align:middle; 
  		border:1px dotted lightblue; 
  		color:darkblue; 
  		font-weight: bold; 
  		}
  
  td.td-bwhite, td.td-bwhite-move { width:40px; 
  		background:white; 
  		vertical-align:middle; 
  		border:1px solid #fff; 
  		}
  
  td.td-bblack, td.td-bblack-move { width:40px; 
  		background:#ccc; 
  		vertical-align:middle; 
  		border:1px 
  		solid #ccc; 
  		}
  td.td-bwhite-move:hover, td.td-bblack-move:hover { border:1px solid blue; }