#menu * {
		padding: 0; margin: 0;
	}
	#menu ul ul {
		position: absolute;
		visibility: hidden;
	}
	#menu ul li:hover ul {
		visibility: visible; 
	}

	#menu li {
		list-style: none;
		float: left; 
		position: relative; 
	}
	#menu li a {
		width: 100px; 
		height: 30px; 
		display: block;
		text-decoration: none;
		background-color: red;
		color: yellow; 
		text-align: center; 
		line-height: 30px; 
	}
	#menu li a:hover {
		background-color: purple;
	}