body {

	background-color:green;

}

ul {

	list-style-type: none;

}

#menu {

    padding: 0;

}

#menu li {

    display: inline;

}

#menu li a {

    background-color: black;

    color: white;

    padding: 10px 20px;

    text-decoration: none;

    border-radius: 4px;

}

#menu li a:hover {

    background-color: blue;

}

#menu li:hover ul {

	display: block;

}

#menu ul{

	display: none;

	position: absolute;

}