#nav_menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

#nav_menu ul li {
  display: block;
  position: relative;
  float: left;
  z-index:500;
	padding:0 1px 0 0;
}

#nav_menu li ul { display: none; }
#nav_menu ul li a {
  display: block;
  text-decoration: none;
  color: #ffffff;
  padding: 5px 10px 5px 8px;
  background: #6fa824;
  margin-left: 1px;
  white-space: nowrap;
  font-weight: bold;
  border-top: 1px solid #9ac266;
  z-index:500;
}

#nav_menu .upper {
  text-transform: uppercase;
  border: none;
}

#nav_menu ul li a:hover { background: #6fa824; }
#nav_menu li:hover ul {
  display: block;
  position: absolute;
}
#nav_menu li:hover li {
  float: none;
  font-size: 11px;
}
#nav_menu li:hover a { background: #6fa824;}
#nav_menu li:hover li a:hover { background: #4d680f; }