MediaWiki:Common.css

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/* =========================================================
   TRUE center search (independent of left/right header content)
   Vector 2022
   ========================================================= */

/* Make header positioning context */
.mw-header {
  position: relative !important;
}

/* Absolutely center the search box */
.mw-header .vector-search-box,
.mw-header #p-search {
  position: absolute !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: min(720px, calc(100vw - 520px)) !important; /* leaves room for left+right UI */
  margin: 0 !important;
}

/* Keep the search vertically aligned */
.mw-header .vector-search-box {
  top: 50% !important;
  transform: translate(-50%, -50%) !important;
}

/* Ensure user tools stay right and above any overlap */
.mw-header .vector-user-links,
.mw-header .mw-header-user,
.mw-header .vector-user-menu,
.mw-header .vector-user-menu-container {
  position: relative !important;
  z-index: 2 !important;
}

/* Ensure logo/menu stays left and above any overlap */
.mw-header .mw-logo,
.mw-header .mw-header-start,
.mw-header .vector-header-start {
  position: relative !important;
  z-index: 2 !important;
}