docs/css/codetabs.css

/**
 * Make dropdown menus in nav bars show on hover instead of click
 * using solution at http://stackoverflow.com/questions/8878033/how-
 * to-make-twitter-bootstrap-menu-dropdown-on-hover-rather-than-click
 **/
ul.nav li.dropdown:hover ul.dropdown-menu{
  display: block;
}

a.menu:after, .dropdown-toggle:after {
  content: none;
}

/** Make the submenus open on hover on the parent menu item */
ul.nav li.dropdown ul.dropdown-menu li.dropdown-submenu:hover ul.dropdown-menu {
  display: block;
}

/** Make the submenus be invisible until the parent menu item is hovered upon */
ul.nav li.dropdown ul.dropdown-menu li.dropdown-submenu ul.dropdown-menu {
  display: none;
}

/**
 * Made the navigation bar buttons not grey out when clicked.
 * Essentially making nav bar buttons not react to clicks, only hover events.
 */
.navbar .nav li.dropdown.open > .dropdown-toggle {
  background-color: transparent;
}

/**
 * Made the active tab caption blue. Otherwise the active tab is black, and inactive tab is blue.
 * That looks weird. Changed the colors to active - blue, inactive - black, and
 * no color change on hover.
 */
.nav-tabs > .active > a, .nav-tabs > .active > a:hover {
  color: #08c;
}

.nav-tabs > li > a, .nav-tabs > li > a:hover {
  color: #333;
}