gecko-dev/themes/modern/global/menu.css

 
menubar 
  {
    background-color      : #B4C3D4;
    border-top            : 1px solid #82929C;
    border-bottom         : 1px solid #000000;
    /* DON'T DELETE.  Removes disappearance of scrollbars
     * in content pane when window is made smaller.
     * Talk to evaughan@netscape.com for details.
     */
    min-width             : 1px;
  }

menubar > .toolbar-holder 
  {
    border-left           : 1px solid #D6E7FF;
  }
  
menu, menuitem  
  {
    font                  : menu;
    color                 : #17222E;
    vertical-align        : middle;
    list-style-image      : none;
  }

menuitem
  {
    cursor                : default !important;
  }

menuitem[default="true"]
  {
    font-weight           : bold;
  }  
  
menu[disabled="true"], menuitem[disabled="true"],
menu[menuactive="true"][disabled="true"],
menuitem[menuactive="true"][disabled="true"]
  {
	  color                 : #838E9B;
  }

/* XXX menupopups have to have a color explicitly specified. this is a bug */
menupopup, popup 
  {
    background-color      : #B4C3D4;
    border: 1px solid #5B7693;
    border-right: 1px solid #394B6E;
    border-bottom: 1px solid #394B6E;
  }

.popup-internal-box 
  {
    border: 1px outset #B4C3D4;
  }

menupopup > menu, popup > menu,
menupopup > menuitem, popup > menuitem
  {
    max-width             : 42em;
    min-width             : 14em;
    margin-left           : 0px;
    margin-right          : 0px;
    margin-top            : 0px;
    margin-bottom         : 0px;
  }

menuseparator 
  {
    border-top            : 1px solid #7A8490;
    border-bottom         : 1px solid #FEFEFE; 
    margin                : 2px 3px;
    cursor                : default !important;
  }

menubar > menu 
  {
    border                : 1px solid #B4C3D4;
    padding               : 1px 3px 2px 3px;
    margin                : 1px 0px 1px 0px;
  }

menupopup > menu, menupopup > menuitem,
popup > menu, popup > menuitem
  {
    padding               : 2px;
  }

menubar > menu[menuactive="true"] 
  {
  	border                : 1px outset #B4C3D4;
  }

menubar > menu[menuactive="true"][open="true"] 
  {
  	border: 1px inset #B4C3D4;
	border-bottom: none;
  }

menupopup > menu[menuactive="true"],
menupopup > menuitem[menuactive="true"],
popup > menu[menuactive="true"],
popup > menuitem[menuactive="true"]
  {
    background-color      : #486380;
    color                 : #FFFFFF;
  }


/** 
 * Atomic sub-parts of standard menus
 **/
.menu-right 
  {
    margin                : 0px 0px 0px 6px;
    width                 : 8px;
    text-align            : center;
    list-style-image      : url("chrome://global/skin/menu-arrow.gif");
  }

.menu-iconic-left 
  {
    color                 : inherit;
    margin                : 0px 2px 0px 0px;
    width                 : 16px;
    text-align            : center;
    list-style-image      : inherit;
  }

.menubar-left 
  {
    color                 : inherit;
    margin                : 0px 2px 0px 0px;
  }

.menu-iconic-text
  {
    margin                : 0px 2px 0px 0px;
  }

.menu-iconic-text, .menu-iconic-accel, .menu-text, .menu-accel 
  {
    color                 : inherit;
  }

.menu-text 
  {
    padding-left          : 18px;
    font-weight           : inherit;
  }

.menu-accel, .menu-iconic-accel
  {
    margin-left           : 4px;
    padding-right         : 14px;
  }

.menubar-text 
  {
    color                 : inherit;
    margin-right          : 2px;
  }

menuitem[checked="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-check.gif");
  }

menuitem[checked="true"][disabled="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-check-disabled.gif");
  }

menuitem[checked="true"][menuactive="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-check-hover.gif");
  }

menuitem[checked="true"][type="radio"] 
  {
    list-style-image      : url("chrome://global/skin/menu-radio.gif");
  }

menuitem[checked="true"][type="radio"][disabled="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-radio-disabled.gif");
  }

menuitem[checked="true"][type="radio"][menuactive="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-radio-hover.gif");
  }

.menu-right[disabled="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-arrow-disabled.gif");
  }

.menu-right[menuactive="true"][disabled="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-arrow-disabled.gif");
  }

.menu-right[menuactive="true"] 
  {
    list-style-image      : url("chrome://global/skin/menu-arrow-hover.gif");
  }

/** Tooltips (tooltip <popup> element)
 *  class="tooltip"
 **/
.tooltip
  {
    background-color      : #FFFFE7;
    border                : 1px solid #000000;
    color                 : #000000;
    padding               : 2px;
    padding-right		  : 3px;
  }

.tooltip > .popup-internal-box
  {
    border: none;
  }

/*
 * Autorepeatbutton
 */
.autorepeatbutton-up {
    list-style-image: url("chrome://global/skin/simple-arrow-up.gif")
}

.autorepeatbutton-down {
    list-style-image: url("chrome://global/skin/simple-arrow-down.gif")
}

autorepeatbutton {
  margin: 1px 2px 2px 1px;
  border: 1px solid transparent;
  padding: 3px;
  height: 1em;  
  text-align: center;
  vertical-align: middle;
}

autorepeatbutton:hover {
  margin: 1px;
  border: 1px inset #A5B2C2;
  padding: 4px 3px 3px 4px;
  background-color: #A5B2C2;
}

/*
 * Menubar grippy 
 */

menubar > toolbargrippy
  { 
    background-image     : url("chrome://global/skin/mb-grippy-bg.gif");
  } 

menubar > toolbargrippy > .toolbargrippy-top
  {
    background-image     : url("chrome://global/skin/mb-grippy-top.gif");
  }

menubar > toolbargrippy > .toolbargrippy-btm
  {
    background-image     : url("chrome://global/skin/mb-grippy-btm.gif");
  }
  
menubar > toolbargrippy:hover:active
  {
    background-image     : url("chrome://global/skin/mb-grippy-bg-active.gif");
  }

menubar > toolbargrippy:hover:active > .toolbargrippy-top
  {
  	background-image     : url("chrome://global/skin/mb-grippy-top-active.gif");
  }

menubar > toolbargrippy:hover:active > .toolbargrippy-btm
  {
  	background-image     : url("chrome://global/skin/mb-grippy-btm-active.gif");
  }