/* The whole menu */
#menu {
   position: absolute;
}
/* Each menu name */
#menu li {
   float: left;
   list-style-type: none;
   padding-right: 20px;
   width: 100px;
   background-color: silver;
}
/* The entire submenu */
#menu li ul {
   background-color: silver;
   margin: 0px;
   padding: 0px;
}
/* Each submenu item */
#menu li ul li {
   padding: 0px;
   margin: 0px;
   float: none;
   list-style-type: none;
   width: 80px;
}