Vorlage:Kalenderblatt/style.css

#kblatt a:link {
  text-decoration:none;
  background-color:#00cc33;
  padding:0 4px 1px 2px;
  margin-left:-2px;
  border-bottom-right-radius:2em;
  border-top-right-radius:2em;
}
#kblatt a:hover {
  text-decoration:none;
  background-color:#00ff00;
}