求助，关于样式一枚！！

是右键菜单透明的样式，菜单也能一起透明。
问题是右键加书签时对话框一闪就消失，无法添加书签。
保存在stylish里时有会有以上这种情况，但原帖的大神说是保存在css中的，可是在css没有效果啊！！！！firefox20.0.1
样式如下：
/***********************************************
menubar transparent
***********************************************/
@namespace url
(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#navigator-toolbox .menubar-text {
opacity: .80 !important }
#FindToolbar .checkbox-label-box,
.statusbarpanel-text,
.findbar-find-fast {
opacity: .8 !important }
#contentAreaContextMenu,
.tabs-bottom,
tab[selected="true"],
popup,
menupopup {
opacity: .8 !important }
.tab-text {
opacity: .99 !important }
#main-window .tabbrowser-tab {
background-color: -moz-dialog;
opacity: 0.6;
}
#main-window .tabbrowser-tab[selected="true"] {
opacity: 0.8;
}
#main-window #urlbar,
#main-window #searchbar {
opacity: 0.8;
}
/* Transparent Awesome Bar */
#mainPopupSet > #PopupAutoCompleteRichResult
{
opacity: .8 !important;
/* background: transparent !important; */
-moz-border-radius: 1px !important;
}
#mainPopupSet:hover > #PopupAutoCompleteRichResult:hover
{
opacity: .8 !important;
/* background: transparent !important; */
/* -moz-border-radius: 1px !important; */
}
/* Transparency BookmarkPanel */
#editBookmarkPanel
{
opacity: .7 !important;
-moz-border-radius: 0px 0px 9px 9px !important;
}
#editBookmarkPanel:hover
{
opacity: .94 !important;
}
/*style dialog*/
#commonDialog{padding:0!important;border:4pt solid #999!important;-
moz-border-radius:4pt!important;background-color:transparent!
important;opacity:.8!important}
#commonDialog>*{background-color:-moz-dialog!important}
/*more visible on hover*/
#commonDialog:hover{border-color:#666!important;opacity:1!important}
Tooltip {
-moz-appearance:none!important;
opacity: 0.8 !important;
}