.menue a {
   width: 13em;
   padding: 5px 5px 5px 0.5em;
   border-left: 15px solid #0066ff;
   border-right: 10px solid #7fb2ff;
   border-bottom: 1px solid #0066ff;
   background-color: #4c94ff;
   color: #fff;
   text-decoration: none;
   font-size:8pt;
   font-family:Verdana;
   font-weight:light; 
   display: block;  
}

.menue a:hover {
  color: white;
  background-color: #7fb2ff;
  border-left: 15px solid white;
}

.untermenue a {
   margin-left: 15px;
   width: 11.6em;
   padding: 5px 5px 5px 0.5em;
   border-left: 15px solid #0066ff;
   border-right: 10px solid #7fb2ff;
   border-bottom: 1px solid #0066ff;
   background-color: #4c94ff;
   color: #fff;
   text-decoration: none;
   font-size:8pt;
   font-family:Verdana;
   font-weight:light; 
   display: block;   
}
.untermenue a:hover {
  color: darkblue;
  background-color: #7fb2ff;
}

<!-- 
Farbdefinitionen:
Hausfarbe der EKiR = #0066ff
70% = #4c94ff
50% = #7fb2ff
30% = #b2d1ff
-->