MediaWiki:Common.css

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

/* Bring the text to 14px */
#mw-content-text {
  font-size: 1.25em;
}

/* Remove View Source, History, Discussion tabs */
#ca-viewsource { display:none!important; }
#ca-history { display:none!important; }
#ca-talk { display:none!important; }