#gkLogo img {max-width: 100%}
@media (max-width: 480px) {
    #gkLogo img {max-width: 60%}
    #gkMobileMenu {margin-top: 0px !important;}
    #gkTopNav {display: none;}
    #gkHeader > div:first-child {
        min-height: inherit;
    }
}