/* //Responsive Design */
    @media only screen and (max-width: 767px) {
        #collapsibleNavbar {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 99;
            width: 280px;
            height: 100%;
            background-color: rgba(0,0,0,0.9);
            overflow: auto;
        }
        .menu-overlay {
            display: none;
            background-color: #000;
            bottom: 0;
            left: 0;
            opacity: 0.5;
            filter: alpha(opacity=50);
            /* IE7 & 8 */
            position: fixed;
            right: 0;
            top: 0;
            z-index: 49;
        }
        ul.headnav li a{
            padding:7px !important;
            font-size:16px !important;
        }
        .navbar{
            padding:0;
        }
        
    }