li ul { display: none;}

li:hover ul { display: block; 
                position: absolute;}

ul { list-style:none;}

ul li { float: left;}

li:hover li { float: none; 
                margin-top: 10px; 
                margin-left: -40px;}

ul li a { background: orangered; 
            padding: 5px 15px 5px 15px;
            text-decoration: none; 
            color: white;
            margin-left: 1px; }