User:Mercury~enwiki/Monobook.css

{   position: relative; float: left; }
 * 1) p-cactions li

{   float: none; display: block; border-top: 1px solid lightgrey; border-bottom: 1px solid lightgrey; text-align: center; background: #F8FCFF; background-color: #F8FCFF; -moz-border-radius-topleft: .0em; -moz-border-radius-topright: .0em; -moz-border-radius-bottomright: .0em; -moz-border-radius-bottomleft: .0em; }
 * 1) p-cactions li li

.tabmenu ul { display: none; z-index: 2; position: relative; top: -2px; border-top: 1px solid #aaaaaa; padding: 0px; margin: 0px; background: #F8FCFF; background-color: grey; }

.tabmenu:hover ul { display: block; }

.tabmenu a { padding: 0pt 0.8em !important; background: #F8FCFF; background-color: #F8FCFF; }

.tabmenu ul a:hover {   font-weight: bold; }