admin_menu.css in Administration menu 5

/**
 * admin_menu dropdowns
 * 
 * Implementation of Sons of Suckerfish Dropdowns.
 * @see www.htmldog.com/articles/suckerfish
 **/
#admin_menu { position: absolute; top: 0px; left: 0px; font-size: 9px; background: url(bkg.png) bottom left repeat-x #101010; width: 100%; }
body .block-admin_menu { width: 100% !important; border: 0; margin: 0; padding: 0; }
body .block-admin_menu .title { display: none; }
body .block-admin_menu .content { border: 0; padding: 0; }
#admin_menu_icon { float: left; margin: 1px 4px; }
#admin_menu .admin_menu-action { float: right; }
#admin_menu .admin_menu-action a { border-left: 1px solid #323232; border-right: none; }
body { margin-top: 20px !important; }

/* all lists */
#admin_menu, #admin_menu ul { padding: 0; margin: 0; list-style: none; line-height: 1.4em; z-index: 999; }
#admin_menu ul { position: static; }
#admin_menu ul a { display: block; border-right: 1px solid #323232; border-bottom: none; padding: 4px 8px; font-weight: normal; color: #f0f0f0; text-decoration: none; text-align: left; }
#admin_menu li li a { border-right: none; border-top: 1px solid #323232; }

/* all list items */
/* width needed or else Opera goes nuts */
#admin_menu li { float: left; height: 100%; margin: 0 !important; padding: 0; list-style-image: none; list-style-type: none; background-image: none; }
#admin_menu li li { width: 160px; background: #202020; filter:Alpha(opacity=88); opacity: 0.88; }

/* second-level lists */
/* using left instead of display to hide menus because display: none isn't read by screen readers */
#admin_menu li ul { position: absolute; background: none; margin: 0; width: 160px; left: -999em; line-height: 1.2em; }

/* third-and-above-level lists */
#admin_menu li li.expandable ul { margin: -20px 0 0 160px; }

#admin_menu li:hover ul ul,
#admin_menu li:hover ul ul ul,
#admin_menu li:hover ul ul ul ul,
#admin_menu li:hover ul ul ul ul ul,
#admin_menu li.sfhover ul ul,
#admin_menu li.sfhover ul ul ul,
#admin_menu li.sfhover ul ul ul ul,
#admin_menu li.sfhover ul ul ul ul ul {
  left: -999em;
}

/* lists nested under hovered list items */
#admin_menu li:hover ul,
#admin_menu li li:hover ul,
#admin_menu li li li:hover ul,
#admin_menu li li li li:hover ul,
#admin_menu li li li li li:hover ul,
#admin_menu li.sfhover ul,
#admin_menu li li.sfhover ul,
#admin_menu li li li.sfhover ul,
#admin_menu li li li li.sfhover ul,
#admin_menu li li li li li.sfhover ul {
  left: auto;
}

/* second-and-more-level hovering */
#admin_menu li li.expandable { background: #606066 url(arrow.png) no-repeat 145px 7px; }
#admin_menu li li:hover,
#admin_menu li li.sfhover {
  background-color: #333333;
}
#admin_menu li li:hover a,
#admin_menu li li:hover li:hover a,
#admin_menu li li:hover li:hover li:hover a {
  font-weight: bold;
}
#admin_menu li li.expandable:hover a,
#admin_menu li li.expandable:hover li.expandable:hover a {
  border-color: #666666; font-weight: normal;
}
#admin_menu li li:hover li a,
#admin_menu li li.sfhover li a,
#admin_menu li li.sfhover li.sfhover li a {
  font-weight: normal;
}
#admin_menu li li.sfhover a,
#admin_menu li li.sfhover li.sfhover a,
#admin_menu li li.sfhover li.sfhover li.sfhover a {
  font-weight: bold; width: 90%; /* IE */
}