Put the config settings in a user.js file and save it in the root directory of your Firefox profile. It should look something like this:
user_pref("always-show.config.setting", false);
user_pref("hide-sidebar.config.setting", true);
Put the config settings in a user.js file and save it in the root directory of your Firefox profile. It should look something like this:
user_pref("always-show.config.setting", false);
user_pref("hide-sidebar.config.setting", true);