MediaWiki:Common.css

/* ASX Header */
#asx-top-banner {
  width: 120%;
  background: #fff;
  text-align: left;
  padding: 0;
  margin: 0;
  border-bottom: 20px solid #ccc;
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 9999;
}

#asx-top-banner img {
  display: block;
  height: auto;
  max-width: 680px;
  margin-left: 180px;
  margin-top: 2px;
}

/* TRUE full transparency for top vector 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;
}

/* Optional: make selected tab text red */
.vector-tabs li.selected a {
  color: red !important;
}