MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
.citizen-overflow-wrapper:has(.citizen-overflow-content .wikitable) {
  float: right;
  clear: right;
  margin-left: 5px;
}
/* ---- Dark theme selectors (MediaWiki core + common non-Fandom skins) ----
   - Core: html.skin-theme-clientpref-night
   - Citizen: html.skin-citizen-dark or [data-theme="dark"]
*/
:is(html.skin-theme-clientpref-night,
    html.skin-citizen-dark,
    [data-theme="dark"]) .navbox {
  background: #000 !important;
  color: #9a9a9a !important; /* text */
}

:is(html.skin-theme-clientpref-night,
    html.skin-citizen-dark,
    [data-theme="dark"]) .navbox table,
:is(html.skin-theme-clientpref-night,
    html.skin-citizen-dark,
    [data-theme="dark"]) .navbox table table,
:is(html.skin-theme-clientpref-night,
    html.skin-citizen-dark,
    [data-theme="dark"]) .navbox table table table {
  background: #000 !important; 
  color: #9a9a9a !important; /* text */
}