MediaWiki:Common.css/MainPage.css

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/* CSS placed here will be applied to all skins */

#logo {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

table, td {  
  border: 1px solid #ddd;
  text-align: left;
  background-color: #D8EBFF;
}

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

td {
  padding: 15px;
  text-align: center;
}