h1 { text-align:  center;
     margin-left:   auto;
     margin-right:  auto;
     margin-top:     1px;
     margin-bottom:  1px;
     font-size:     22px;
   }

table.subtype_table {
    border-spacing : 0px;
}
   
tr.heading th {
   background :#b0b0b0;
   height     : 24px;
}

tr.td_colored {
   background:#e0e0e0;
   border-width :0px;
}

tr.td_clear {
   background:#ffffff;
   border-width :0px;