firefox configs

README.md

firefox configs

Consult userchrome.org for more details about CSS configurations.

user.js

user_pref("privacy.firstparty.isolate", true);
user_pref("browser.urlbar.update1", false);
user_pref("browser.urlbar.openViewOnFocus", false);
user_pref("network.connectivity-service.enabled", false);
user_pref("browser.search.geoip.url", "");
user_pref("app.update.enabled", false);
user_pref("extensions.update.enabled", false);
user_pref("app.update.auto", false);
user_pref("extensions.update.autoUpdateDefault", false);
user_pref("app.update.service.enabled", false);
user_pref("app.update.staging.enabled", false);
user_pref("app.update.silent", false);
user_pref("extensions.getAddons.cache.enabled", false);
user_pref("lightweightThemes.update.enabled", false);
user_pref("browser.search.update", false);
user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
user_pref("dom.ipc.plugins.reportCrashURL", false);
user_pref("extensions.getAddons.showPane", false); 
user_pref("extensions.webservice.discoverURL", "");
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.enabled", false); 
user_pref("toolkit.telemetry.server", "data:,");
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.cachedClientID", "");
user_pref("toolkit.telemetry.newProfilePing.enabled", false); 
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false); 
user_pref("toolkit.telemetry.updatePing.enabled", false); 
user_pref("toolkit.telemetry.bhrPing.enabled", false); 
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); 
user_pref("toolkit.telemetry.hybridContent.enabled", false); 
user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("datareporting.policy.dataSubmissionEnabled", false);
user_pref("breakpad.reportURL", "");
user_pref("browser.tabs.crashReporting.sendReport", false);
user_pref("browser.crashReports.unsubmittedCheck.enabled", false); 
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit", false); 
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); 
user_pref("browser.aboutHomeSnippets.updateUrl", "data:,");
user_pref("browser.chrome.errorReporter.enabled", false);
user_pref("browser.chrome.errorReporter.submitUrl", "");
user_pref("extensions.blocklist.enabled", false);
user_pref("extensions.blocklist.url", "");
user_pref("services.blocklist.update_enabled", false);
user_pref("services.blocklist.onecrl.collection", ""); 
user_pref("services.blocklist.addons.collection", "");
user_pref("services.blocklist.plugins.collection", "");
user_pref("services.blocklist.gfx.collection", "");
user_pref("browser.safebrowsing.malware.enabled", false);
user_pref("browser.safebrowsing.phishing.enabled", false); 
user_pref("browser.safebrowsing.downloads.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
user_pref("browser.safebrowsing.downloads.remote.block_dangerous", false); 
user_pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false); 
user_pref("browser.safebrowsing.provider.google.updateURL", "");
user_pref("browser.safebrowsing.provider.google.gethashURL", "");
user_pref("browser.safebrowsing.provider.google4.updateURL", ""); 
user_pref("browser.safebrowsing.provider.google4.gethashURL", "");
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.url", "");
user_pref("browser.safebrowsing.provider.google.reportURL", "");
user_pref("browser.safebrowsing.reportPhishURL", "");
user_pref("browser.safebrowsing.provider.google4.reportURL", ""); 
user_pref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", ""); 
user_pref("browser.safebrowsing.provider.google.reportPhishMistakeURL", ""); 
user_pref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", ""); 
user_pref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", ""); 
user_pref("browser.safebrowsing.allowOverride", false);
user_pref("browser.safebrowsing.provider.google4.dataSharing.enabled", false);
user_pref("browser.safebrowsing.provider.google4.dataSharingURL", "");
user_pref("browser.safebrowsing.blockedURIs.enabled", false);
user_pref("browser.safebrowsing.provider.mozilla.gethashURL", "");
user_pref("browser.safebrowsing.provider.mozilla.updateURL", "");
user_pref("network.allow-experiments", false);
user_pref("app.normandy.enabled", false);
user_pref("app.normandy.api_url", "");
user_pref("app.shield.optoutstudies.enabled", false);
user_pref("shield.savant.enabled", false); 
user_pref("extensions.systemAddon.update.enabled", false); 
user_pref("extensions.systemAddon.update.url", "");
user_pref("browser.ping-centre.telemetry", false);
user_pref("extensions.pocket.enabled", false);
user_pref("browser.library.activity-stream.enabled", false); 
// // user_pref("extensions.screenshots.disabled", true);
// // user_pref("extensions.screenshots.upload-disabled", true); 
user_pref("browser.onboarding.enabled", false);
user_pref("extensions.formautofill.addresses.enabled", false);
user_pref("extensions.formautofill.available", "off");
user_pref("extensions.formautofill.creditCards.enabled", false); 
user_pref("extensions.formautofill.heuristics.enabled", false);
user_pref("extensions.webcompat-reporter.enabled", false);
user_pref("network.prefetch-next", false);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.dns.disablePrefetchFromHTTPS", true);
user_pref("network.predictor.enabled", false);
user_pref("captivedetect.canonicalURL", "");
user_pref("network.captive-portal-service.enabled", false);
user_pref("browser.send_pings", false);
user_pref("browser.send_pings.require_same_host", true);
user_pref("network.protocol-handler.external.ms-windows-store", false);
user_pref("network.predictor.enable-prefetch", false);
user_pref("network.trr.mode", 0);
user_pref("network.trr.bootstrapAddress", "");
user_pref("network.trr.uri", "");
user_pref("browser.search.suggest.enabled", false);
user_pref("browser.urlbar.suggest.searches", false);
user_pref("browser.urlbar.userMadeSearchSuggestionsChoice", true);
user_pref("browser.urlbar.usepreloadedtopurls.enabled", false);
user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref("security.ssl.errorReporting.automatic", false);
user_pref("security.ssl.errorReporting.enabled", false);
user_pref("security.ssl.errorReporting.url", "");
user_pref("dom.push.enabled", false);
user_pref("dom.push.connection.enabled", false);
user_pref("dom.push.serverURL", "");
user_pref("dom.push.userAgentID", "");
user_pref("beacon.enabled", false);
user_pref("browser.uitour.enabled", false);
user_pref("browser.uitour.url", "");
user_pref("permissions.manager.defaultsUrl", "");
user_pref("webchannel.allowObject.urlWhitelist", ""); 
user_pref("media.gmp-gmpopenh264.autoupdate", false);
user_pref("browser.shell.shortcutFavicons", false);
user_pref("media.gmp-eme-adobe.autoupdate", false);
user_pref("media.gmp-manager.url", "data:text/plain,");
user_pref("media.gmp-manager.url.override", "data:text/plain,");
user_pref("media.gmp-manager.updateEnabled", false);
user_pref("media.gmp-widevinecdm.autoupdate", false);
user_pref("devtools.webide.autoinstallADBHelper", false);
user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);

// user_pref("startup.homepage_welcome_url", "");
// user_pref("browser.startup.homepage", "about:blank");
// user_pref("browser.newtabpage.enabled", false);
// user_pref("browser.newtab.preload", false);
// user_pref("browser.startup.homepage_override.mstone", "ignore"); 
// user_pref("startup.homepage_welcome_url.additional", "");
// user_pref("startup.homepage_override_url", "");

/* 0709: disable using UNC (Uniform Naming Convention) paths [FF61+]
 * [SETUP-CHROME] Can break extensions for profiles on network shares
 * [1] https://trac.torproject.org/projects/tor/ticket/26424 ***/
// user_pref("network.file.disable_unc_paths", true);

userChrome.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */
#context-navigation, #context-sep-navigation { display:none!important; }

.tabbrowser-tab[fadein]:not([pinned]) {
  max-width: 190px !important;
}

.titlebar-spacer[type="pre-tabs"], .titlebar-spacer[type="post-tabs"] {
    width: 0px !important;
    display: none !important;
}

#tabbrowser-tabs { --tab-min-height: 31px !important; }

/* Hide blue stripe on active tab */
.tab-line[selected="true"] {
  opacity: 0 !important;
}

/* based on https://old.reddit.com/comments/fwhlva//fmolndz */
#urlbar[breakout][breakout-extend]:not([open]) {
  top: calc((var(--urlbar-toolbar-height) - var(--urlbar-height)) / 2) !important;
  left: 0 !important;
  width: 100% !important;
}
#urlbar[breakout][breakout-extend]:not([open]) > #urlbar-input-container {
  height: var(--urlbar-height) !important;
  padding-block: 0px !important;
  padding-inline: 0px !important;
}
#urlbar[breakout][breakout-extend][breakout-extend-animate] > #urlbar-background {
  animation-name: none !important;
}
#urlbar[breakout][breakout-extend]:not([open]) > #urlbar-background {
  box-shadow: none !important;
}

/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/compact_urlbar_megabar.css made available under Mozilla Public License v. 2.0
See the above repository for updates as well as full license text. */

/* Make urlbar megabar appear more compact */
/* Set the pref browser.urlbar.megabar to true */
#urlbar[breakout]{
  margin-inline-start: 0px !important;
  width: 100% !important;
  left: 0 !important;
  top: calc((var(--urlbar-toolbar-height) - var(--urlbar-height)) / 2) !important;
}
#urlbar[breakout]:not([open]){ bottom: calc((var(--urlbar-toolbar-height) - var(--urlbar-height)) / 2) !important; }
.urlbarView{ margin-inline: 0 !important; width: auto !important; }
.urlbarView-row{ padding: 0 4px !important; }
#urlbar-background{ animation: none !important; }
#urlbar-input-container{ padding: 0 !important; height: 100% !important; }
#identity-box{ padding-block: var(--urlbar-icon-padding) }

.tabbrowser-tab[usercontextid] .tab-bottom-line {
    display: none !important;
}