user.js

user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref("svg.context-properties.content.enabled", true);
user_pref("layout.css.has-selector.enabled", true);
user_pref("browser.display.background_color", "#eee");
user_pref("browser.display.background_color.dark", "#222");
user_pref("browser.tabs.searchclipboardfor.middleclick", false);
user_pref("toolkit.tabbox.switchByScrolling", true);
user_pref("browser.urlbar.suggest.openpage", false);
user_pref("browser.tabs.groups.enabled", true);
user_pref("browser.newtabpage.activity-stream.feeds.topsites", false);
/*user_pref("browser.uiCustomization.state", "{\"placements\":{\"widget-overflow-fixed-list\":[],\"unified-extensions-area\":[\"ublock0_raymondhill_net-browser-action\"],\"nav-bar\":[\"unified-extensions-button\",\"downloads-button\",\"urlbar-container\",\"stop-reload-button\",\"back-button\",\"forward-button\",\"customizableui-special-spring1\",\"customizableui-special-spring2\",\"save-to-pocket-button\"],\"toolbar-menubar\":[\"menubar-items\"],\"TabsToolbar\":[\"firefox-view-button\",\"tabbrowser-tabs\",\"new-tab-button\",\"alltabs-button\"],\"vertical-tabs\":[],\"PersonalToolbar\":[\"import-button\",\"personal-bookmarks\"]},\"seen\":[\"save-to-pocket-button\",\"developer-button\",\"ublock0_raymondhill_net-browser-action\"],\"dirtyAreaCache\":[\"nav-bar\",\"vertical-tabs\",\"PersonalToolbar\",\"toolbar-menubar\",\"TabsToolbar\",\"unified-extensions-area\"],\"currentVersion\":20,\"newElementCount\":3}");*/