MediaWiki:Monobook.css

/* edit this file to customize the monobook skin for the entire site */

 body    {
  font-family: arial, helvetica, freesans, sans-serif;
  background: #f9f9f9 url('/skins/monobook/headbg.jpg') no-repeat;
 }
 /*           */
 code, pre { font-size: 10pt; }

.pBody {
   padding: 0.1em 0.1em;
   -moz-border-radius-topright: 0.5em;
}
#p-cactions ul li, #p-cactions ul li a {  
  -moz-border-radius-topright: 0.5em;
  -moz-border-radius-topleft: 0.5em;
}
#content {
  -moz-border-radius-topleft: 0.5em;
}