MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
#navbar a, #navbar a:visited, #navbar a:focus, .navbar-brand, #navbar a:hover {
    color: white !important;
}
.dropdown-menu.show {
    background-color: #343a40!important;
}
.jellyfish {
    background-color: #000;
    color: #fff;
    background-image: url(http://iwan.wiki/images/top_banner_image.jpg);
    background-position: 50% 15%;
    text-shadow: 1px 1px black;
}