.vkbtable
{
   padding: 0.3em;
   margin: 0 auto;
   background-color: white;
   font-size: 80%;
}

.vkbtable1, .vkbtable2
{
   margin:0; padding:0;
   font-size: 80%;
}

.vkbtable1 tr,
.vkbtable2 tr
{
   line-height: 1.8em;
}

.vkbkey, .vkbkey0
{
   height: 1.6em; width: 1.9em; max-width: 1.9em;
   border: 1px solid black; border-radius:2px;
   box-shadow: 1px 1px silver;
   vertical-align: middle; text-align: center;
   background-color: ghostwhite;
}

.vkbkey0
{
   border: 1px dotted black; border-radius:2px;
   background-color: inherit;
}