Vorlage:Kalenderblatt/style.css

#kblatt a:link {
  text-decoration: none;
  background-color: #00cc33;
  font-weight:bold;
  padding:0 2px 1px 2px;
  margin-left:-2px;
  border-radius:0.2em;
}
#kblatt a:hover {
  text-decoration: none;
  background-color: #00ff00;
}