bikin menu

#menu {
    height:40px;

    }
#menu ul {
    list-style:none;
    padding:0px ;
    margin:0px auto;
    display:inline-table;
    position:relative;;
    }
#menu ul li {
    float:left;

    }
#menu ul li a{
    padding:10px;
    text-decoration:none;
    color:white;
    background-color:#039;
    display:block;
    cursor:pointer;

    }
#menu ul li a:hover {
    background-color:#09F;
    }

/*bagian sub-menu*/
#menu ul li:hover > ul{
    display:block;}
#menu ul:after {
    content:"";
    clear:both;
    display:block;
    }
#menu ul ul{
    border-radius:0px;
    padding:0px;
    position:absolute;
    top:100%;
    display:none;
    }
#menu ul ul li{
    float:none;
    border:1px solid white;
    position:relative;
    }
#menu ul ul li a{
    padding:10px;
    }
/*sub sub menu*/
#menu ul ul ul {
    position:absolute;
    left:100%;
    top:0;
    }