I want to disable the open file option in the menu tab in Firefox. I have written

menuitem[label=Open File]{
display:none;
}

but it's not working.

1 Answer

Use

#menu_openFile { display: none !important }

in userChrome.css. Keep

@namespace xul url();

as the very first line.

Exactly the same process is used to remove Email links ...

Add

#menu_sendLink { display: none !important }

to remove that:

After making the change to userChrome.css and restarting the browser, we see that Email link ... is removed:

4