@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/* Hide read mail from Tools Menus */
menuitem[label="Read Mail (0 new)"] { display: none; }
menuitem[label="Read Mail (0 new)"] + menuseparator { display: none; }
menuitem[label="New Message..."] { display: none; }
menuitem[label="New Message..."] + menuseparator { display: none; }

/* Remove Web Search from Tools Menu */
menuitem[label="Web Search"] { display: none; }
menuitem[label="Web Search"] + menuseparator { display: none; }