MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
body.page-Main_Page.action-view h1.firstHeading, body.page-Main_Page.action-submit h1.firstHeading { display: none; }

tr:nth-child(even) {background-color: #f8f9fa;}
tr:nth-child(odd) {background-color: white;}

#mw-navigation {
    background-color: #f8f9fa;
}

.wikitable > tr > th, .wikitable > * > tr > th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #3498DB;
  color: white;
}