div#header {
  overflow: hidden;
  color: #fff;
  background-color: #42484E;
  background-image: url(background.jpg);
  clear: both;
  align-items: center;
  max-width: 1000px;
  min-width: 300px;
  height: auto;
  min-height: 250px;
  padding: 0;
  margin: 0 auto;
  display: flex;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

html.dark div#header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: url(background.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
  filter: invert(100%) hue-rotate(180deg);
  pointer-events: none;
}

.infobox table.style_table tbody td {
  background-color: #444 !important;
  color: #fff;
}

.infobox th.style_th {
  background-color: #dcdcdc;
  color: #222;
}

.infobox td.style_td a:link,
.infobox td.style_td a:visited {
  color: #40c4ff;
}

.iconstack {
  display: inline-block;
  position: relative;
  width: 1.2em;
  height: 1.2em;
  vertical-align: middle;
}
.iconstack .icon1,
.iconstack .icon2 {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.2em;
  line-height: 1.2em;
}
.iconstack .icon1 { opacity: 0.8; }
.iconstack .icon2 { opacity: 0.8; left: 0.25em; top: 0.25em; }

.ac_block {
  margin-bottom: 14px;
}

.ac_block .plugin-ac-header {
  border: 1px solid #ccc;
  padding: 12px 40px 12px 16px;
  background: #fff;
  position: relative;
  font-weight: bold;
  cursor: pointer;
}

.ac_block .plugin-ac-header .ac-icon::before,
.ac_block .plugin-ac-header .ac-icon::after {
  left: auto;
  right: 12px;
  font-size: 1.2em;
  color: #333;
}

.ac_block .plugin-ac-header:hover {
  filter: none;
}

.ac_block .plugin-ac {
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  padding: 12px 16px;
  margin: 0;
  background: #fafafa;
}