.navs .nav-panel .nav-top a {
    width:278px;
    height:88px;
}
    .navs .nav-panel .nav-top a img {
        width:100%
    }
.nav .nav-panel a.logo {
    width: 278px;
    height: 88px !important;
}
    .nav .nav-panel a img {
        width:100%;
    }