MediaWiki:Common.css

 /* Trying to introduce common.css - did I already see it here? */

 h2.sectionheader {
   margin-top: 15px;
   padding: 5px;
   clear: left;
   border: 1px solid #cedff2;
   background: #f5faff;
   font-size: 1.2em;
   font-weight: bold;
   color: #6191C3;
 }

 dt {
   float: left;
   width: 90px;
   padding: 5px 5px 0 5px;
 }
 dd {
   margin: 0;
   padding: 5px 0 5px 100px;
 }
 dd.param {
   background-color: #F8F8F8;
 }