ul#menu, ul#menu ul {
  list-style-type:none;
  margin: 0;
  padding: 0;
  width: 170px;
}

ul#menu a {
  display: block;
  text-decoration: none;

}
ul#menu a.root{ height: 22px; margin-top: -2px; padding-left: 30px; padding-top: 5px; color: #fff; font-weight: bold; cursor: pointer;}
ul#menu li {
  margin-top: 1px;
}

ul#menu li a {
	background: url('http://nhahangtanan.com/images/menubg.png') no-repeat;
  color: #000;	
  padding: 0px;

}
ul#menu li ul li a {
  background: #ccc;
  color: #000;
  padding-left: 20px;
}
ul#menu li ul { margin-bottom: 5px; }
ul#menu li ul li a:hover {
  background: #aaa;
  border-left: 5px #000 solid;
  padding-left: 15px;
}