MediaWiki:Common.css

/** Header stylying */

.mw-body-content h2 { font-weight:bold; line-height:1.3 !important; font-size:1.5rem !important; }

.mw-body-content h3 { font-weight:bold; line-height:1.6 !important; font-size:1.4rem !important; }

.mw-body-content h4 { font-weight:bold; line-height: 1.6 !important; font-size:1.3rem !important; }

.mw-body-content h5 { font-weight:normal; line-height:1.6 !important; font-size:1.2rem !important; }

.mw-body-content h6 { font-weight:normal; line-height:1.6 !important; font-size:1.1em !important; font-style:italic; }

font-size: 0.875em; line-height: 1.125em; }
 * 1) mw-head .vector-menu-dropdown h3 {

.vector-menu-dropdown .vector-menu-content-list { font-size: 0.875em; }