.rb_hv {
   font-weight:bold;
   color: red;
   width:80%;
   text-align:left;
   vertical-align:top;
   padding-left:5px;
   background:999999;
}
.rb_hk {
   font-weight:bold;
   width:10%;
   text-align:right;
   vertical-align:top;      
   padding-right:10px;
   margin:5px;
   padding:5px;
   border-right:solid;
}
.rb_env {
   border:solid;
   border-color:blue;
}

.rb_tools {
   border:solid;
   border-color:green;
   width:100%;
}