Check out the Basic level tweaking here
You can tweak your menus using userChrome.css file. userChrome.css is a CSS file that can be used to change the way Mozilla Firefox interface look. But to edit it you need to locate it first.
For Windows XP users:
C:\Documents and Settings\\Application Data\Mozilla\Firefox\Profiles\
For Windows Vista and Seven Users:
C:\Users\\AppData\Roaming\Mozilla\Firefox\Profiles \
Or
1. Press WIN + R and type %Appdata%
2. Then navigate to Mozilla\Firefox\Profiles\lpg7v146.default\chrome
3. Here create a file named
“userChrome.css”
The easiest way to hide a menu item is using the Label attribute.
For example, if you want to hide the “View Page Source” menu item from the right click context menu than use
Quote:
|
menuitem[label="View Page Source"] {display: none !important; }
|
How to Hide Menu Bar completely?
Quote:
|
#toolbar-menubar { display: none !important; }
|
Hide selected browser menus
Quote:
#navigator-toolbox menu[label="File"],
#navigator-toolbox menu[label="Edit"],
#navigator-toolbox menu[label="View"],
#navigator-toolbox menu[label="Go"],
#navigator-toolbox menu[label="Bookmarks"],
#navigator-toolbox menu[label="Tools"],
#navigator-toolbox menu[label="Help"]
{ display: none !important; }
|
Remove Items From Right Click Context Menu
Quote:
#context-back,
#context-forward,
#context-reload,
#context-stop,
#context-sep-stop
{ display: none !important; }
|
After applying this code
So what are you gonna hide in Firefox Menu or what do you want to hide?
Source: beingPC.com