Firefox (userChrome.css)

.tabs-closebutton-box {
display: none !important;
}

/* merge the stop and reload buttons */

#stop-button[disabled="true"] { display:none; }
#stop-button:not([disabled]) + #reload-button { display:none; }

/* Remove the File and Help menus */
{ display: none !important; }
#toolbar-menubar [label="File"],[label="Edit"],[label="History"],[label="View"],[label="Go"],[label="Bookmarks"],[label="Tools"],[label="Help"]{
display: none !important; }-隐藏菜单

/* =============== Remove Items In Context Menu: WEB PAGE */
#context-back, /* "Back" */
#context-forward, /* "Forward" */
#context-reload, /* "Reload" */
#context-stop, /* "Stop" */
#context-sep-stop, /* Separator Below "Stop" */
#context-bookmarkpage, /* "Bookmark This Page..." */
#context-savepage, /* "Save Page As..." */
#context-sendpage, /* "Send Link..." (showed on webpage) */
#context-sep-viewbgimage, /* Separator Above "View Background Image" */
#context-viewbgimage, /* "View Background Image" */
/* =============== Remove Items In Context Menu: LINKS */
#context-openlink, /* "Open Link in New Window" */
#context-openlinkintab, /* "Open Link in New Tab" */
#context-sep-open, /* Separator Below "Open Link in New Tab" */
#context-bookmarklink, /* "Bookmark This Link..." */
/* #context-savelink, /* "Save Link As..." */
#context-sendlink, /* "Send Link..." (showed on links) */
/* #context-copyemail, /* "Copy Email Address" */
/* #context-copylink, /* "Copy Link Location" */
/* #context-sep-copylink, /* Separator Below Link Items */
/* =============== Remove Items In Context Menu: IMAGES */
#context-viewimage, /* "View Image" */
#context-copyimage-contents, /* "Copy Image" */
/* #context-copyimage, /* "Copy Image Location" */
#context-setDesktopBackground, /* "setDesktopBackground" */
#context-sep-copyimage, /* Separator Below "Copy Image location" */
#context-saveimage, /* "Save Image As..." */
#context-sendimage, /* "Send Image..." */
#context-setWallpaper, /* "Set As Wallpaper..." */
#context-blockimage, /* "Block Images from [server]" */
/* =============== Remove Items In Context Menu: TEXT */
#context-undo, /* "Undo" */
#context-sep-undo, /* Separator Below "Undo" */
#context-cut, /* "Cut" */
/* #context-copy, /* "Copy" */
/* #context-paste, /* "Paste" */
#context-delete, /* "Delete" */
#context-sep-paste, /* "Separator Below "Delete" */
#context-selectall, /* "Select All" */
#context-sep-selectall, /* "Separator Below "Select All" */
#context-searchselect, /* "Search Web for..." */
#context-viewpartialsource-selection, /* "View Selection Source" */
#context-keywordfield, /* "Add a Keyword for this Search..." */
/* context-sep-bidi, */
/* context-bidi-text-direction-toggle, */
/* context-bidi-page-direction-toggle /* some BiDi options */
/* =============== Remove Items In Context Menu: EXTRA */
#context-printpage, /* "Print..." */
#frame-sep, /* Separator Above "This Frame" */
#frame, /* "This Frame" */
/* #context-viewpartialsource-mathml, /* "View MathML Source" */
/* #context-sep-properties, /* Separator Above Properties Items */
#context-viewsource, /* "View Page Source" */
#context-viewinfo, /* "View Page Info" */
/* #context-metadata, /* "Properties" */
/* =============== Remove Items In Context Menu: EXTENSIONS */
/* #NeedleSearch-menu, /* "NeedleSearch" (extension) */
/* #nukeanything-do-nuke, /* "Remove this object" (extension) */
#context-smartsearch, /* "Search for x on..." (extension) */
#blogthis-sep /* Separator Above "BlogThis" (extension) */
{ display: none; !important; }

/* 隐藏右键菜单,不活动时隐藏 */
#context-back[ disabled ="true"] ,
#context-forward[ disabled ="true"] ,
#context-stop[ disabled ="true"] ,
#context-viewbgimage[ disabled ="true"]{
display: none !important;
}

#toolbar-menubar {
min-height: 12px !important;
padding: 0px !important;
margin: 0px !important;
border: none !important;
}
#nav-bar {
border: none !important;
padding: 0px !important;
}
#PersonalToolbar {
border: none !important;
}
#navigator-toolbox {
border-bottom-width: 0px !important;
}

/* Use a background image for the toolbars: */
toolbar#toolbar-menubar {
background-image: url("TigerLight.bmp") !important;
background-color: #FF0000 !important;
height: 28px
}

/*搜索栏长度*/
#search-container { width: 100px !important; }


/*隐藏状态栏文字*/
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#gnotes-statusbar-lbl>.toolbarbutton-text{
display:none !important;}

/* Hide "Open in Tabs" */
.openintabs-menuseparator, .openintabs-menuitem { display: none !important; }