diff --git a/.mozilla/firefox/4vd8uypc.default-release/chrome/userChrome.css b/.mozilla/firefox/4vd8uypc.default-release/chrome/userChrome.css
index 7f65baf..0c72562 100644
--- a/.mozilla/firefox/4vd8uypc.default-release/chrome/userChrome.css
+++ b/.mozilla/firefox/4vd8uypc.default-release/chrome/userChrome.css
@@ -1,5 +1,5 @@
 /*The following block hides the horizontal tabs for tree style tabs https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#for-userchromecss 
- * enable 'jtoolkit.legacyUserProfileCustomizations.stylesheets' in 'about:config' for this to work*/
+ * enable 'toolkit.legacyUserProfileCustomizations.stylesheets' in 'about:config' for this to work*/
 
 #main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar > .toolbar-items {
   opacity: 0;
diff --git a/.mozilla/firefox/4vd8uypc.default-release/user.js b/.mozilla/firefox/4vd8uypc.default-release/user.js
new file mode 100644
index 0000000..549a367
--- /dev/null
+++ b/.mozilla/firefox/4vd8uypc.default-release/user.js
@@ -0,0 +1,32 @@
+// firefox user.js configuration inspired by https://github.com/pyllyukko/user.js/ , https://github.com/arkenfox/user.js/
+// PREF: cycle tabs by recently used
+user_pref("browser.ctrlTab.sortByRecentlyUsed", true);
+// PREF: Display a notification bar when websites offer data for offline use
+// http://kb.mozillazine.org/Browser.offline-apps.notify
+user_pref("browser.offline-apps.notify", true);
+// PREF: Do not check if Firefox is the default browser
+user_pref("browser.shell.checkDefaultBrowser",			false);
+// PREF: Disable the "new tab page" feature and show a blank tab instead
+// https://wiki.mozilla.org/Privacy/Reviews/New_Tab
+// https://support.mozilla.org/en-US/kb/new-tab-page-show-hide-and-customize-top-sites#w_how-do-i-turn-the-new-tab-page-off
+user_pref("browser.newtabpage.enabled",	false);
+user_pref("browser.newtab.url", "https://web.neller.org/dashboard");
+// PREF: DNS over HTTPS
+user_pref("network.trr.mode", 2);
+user_pref("network.trr.uri", "https://mozilla.cloudflare-dns.com/dns-query");
+// PREF: disable Ctrl + Q shortcut to close all tabs
+user_pref("browser.quitShortcut.disabled", true);
+// PREF: dont hide address bar and toolbars in fullscreen mode
+user.pref("browser.fullscreen.autohide", false);
+// PREF: dont save login information
+user_pref("signon.rememberSignons", false);
+// PREF: enable userChrome.css for visual adjustments
+user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
+// PREF: dont show sponsored suggestions
+user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
+user_pref("browser.urlbar.suggest.topsites", false)
+user_pref("browser.urlbar.groupLabels.enabled", false);
+user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts", false ); 
+user_pref("browser.partnerlink.campaign.topsites","");
+// PREF: dont open suggestions at all when entering URL Bar
+user_pref("browser.urlbar.suggest.topsites", false);