MediaWiki:Cosmos.css

/* All CSS here will be loaded for users of the Cosmos skin */
div.editOptions{
  background-color: #CCCCCC;
}

div.page-header__categories {
  display: none;
}

/* Four-part reference for margin, padding, etc. is: top, right, bottom, left */
h2 {
  margin: auto auto 5px auto;
  padding: auto auto 5px auto;
}

h3 {
  margin: auto auto 5px auto;
  padding: auto auto 5px auto;
}

div.toc {
  float: right;
  max-width: 33%;
}

div.toctitle {
  margin: -1.5px auto;
}

tr:nth-child(odd) {
  background-color: Black;
}

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