body {
                font-family: arial, helvetica, serif;
                font-size: 13px;
        }

        #nav, #nav ul { /* all lists */
                padding: 0;
                margin: 0;
                list-style: none;
                float : left;
                width : 200px;
        }

        #nav li { /* all list items */
                position : relative;
                float : left;
                line-height : 22px;
                margin-bottom : -1px;
                width: 11em;
        }

        #nav li ul { /* second-level lists */
                position : absolute;
                left: -999em;
                margin-left : 11.05em;
                margin-top : -1.84em;
        }

        #nav li ul ul { /* third-and-above-level lists */
                left: -999em;
        }

        #nav li a {
                width: 11em;
                w\idth : 10em;
                display : block;
                color : black;
                font-weight : none;
                text-decoration : none;
                background-color : white;
                border : 1px solid black;
                padding : 0 0.5em;
        }

        #nav li a:hover {
                color : white;
                background-color : gray;
        }

        #nav li:hover ul ul, #nav li:hover ul ul ul, #nav li.sfhover ul ul, #nav li.sfhover ul ul ul {
                left: -999em;
        }

        #nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li.sfhover ul, #nav li li.sfhover ul, #nav li li li.sfhover ul { /* lists nested under hovered list items */
                left: auto;
        }

        #content {
                margin-left : 12em;
        }