Common.css – MediaWiki

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

 h2.sectionheader {
   margin-top: 30px;
   padding: 5px;
   clear: left;
   border: 1px solid #cedff2;
   background: #f5faff;
 }

 dt {
   width: 100px;
   display: block;
   float: left;
   clear: left;
   border-left: 1px solid #cedff2;
 }
 dd {
   display: block;
   float: left;
   border-right: 1px solid #cedff2;
 }