MediaWiki:Common.css

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/* 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; }

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {background-color: #f2f2f2;}