MediaWiki:Common.css

/* Shift page content below banner */
body {
    margin-top: 120px !important;
}

/* Move all UI elements down including tabs */
#mw-page-base {
    padding-top: 120px !important;
}

/* Properly pinned header banner */
#asx-top-banner {
    position: fixed;
    top: 0;
    left: 150px;
    width: 120%;
    background: transparent;
    margin: 0;
    padding: 0;
    z-index: 9999;
}

/* Scale and constrain banner image */
#asx-top-banner img {
    display: block;
    height: auto;
    max-height: 90px;
    object-fit: contain;
    margin: 0;
    padding: 0;
    float: left;
}

/* Transparent top tabs */
.vector-tabs,
.vector-tabs li,
.vector-tabs li.selected,
.vector-tabs li.selected a,
.vector-tabs li a {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    filter: none !important;
    backdrop-filter: none !important;
    text-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    z-index: 10000 !important;
}

/* Highlight for active tab */
.vector-tabs li.selected a {
    color: red !important;
}