#nav_sub ul li a {
  display: block;
  font-weight: normal;
  font-size: 12px;
  padding-left: 15px;
  color: #000;
  background: url(images/li_kontakt.gif) left 2px no-repeat;
}

#nav_sub ul li a.ACT,
#nav_sub ul li a:hover {
  display: block;
  font-weight: bold;
  font-size: 12px;
  padding-left: 15px;
  color: #5a6d2c;
  background: url(images/li_kontakt.gif) left 2px no-repeat;
}

a:hover {
  color: #5a6d2c;
}