2024-04-21

5 files changed, 1505 insertions, 0 deletions

diff --git a/modules/firefox/addons.json b/modules/firefox/addons.json
new file mode 100644
index 0000000..c1ea3fa
--- /dev/null
+++ b/modules/firefox/addons.json
@@ -0,0 +1,44 @@
+[
+  {
+    "pname": "bitwarden",
+    "slug": "bitwarden-password-manager"
+  },
+  {
+    "slug": "consent-o-matic"
+  },
+  {
+    "slug": "darkreader"
+  },
+  {
+    "slug": "furiganaize"
+  },
+  {
+    "slug": "ipfs-companion"
+  },
+  {
+    "slug": "languagetool"
+  },
+  {
+    "slug": "no-pdf-download"
+  },
+  {
+    "pname": "rikaichamp",
+    "slug": "10ten-ja-reader"
+  },
+  {
+    "slug": "redirector"
+  },
+  {
+    "slug": "skip-redirect"
+  },
+  {
+    "slug": "ublock-origin"
+  },
+  {
+    "pname": "user-agent-switcher",
+    "slug": "user-agent-string-switcher"
+  },
+  {
+    "slug": "violentmonkey"
+  }
+]
diff --git a/modules/firefox/addons.nix b/modules/firefox/addons.nix
new file mode 100644
index 0000000..54e67ee
--- /dev/null
+++ b/modules/firefox/addons.nix
@@ -0,0 +1,315 @@
+{ buildFirefoxXpiAddon, lib }:
+{
+  "bitwarden" = buildFirefoxXpiAddon {
+    pname = "bitwarden";
+    version = "2024.4.1";
+    addonId = "{446900e4-71c2-419f-a6a7-df9c091e268b}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4263752/bitwarden_password_manager-2024.4.1.xpi";
+    sha256 = "1ba1e66cb9a4ee3bf80a81fc31348b04162385455d2b02f9902473e3931d9693";
+    meta = with lib; {
+      homepage = "https://bitwarden.com";
+      description = "At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.";
+      license = licenses.gpl3;
+      mozPermissions = [
+        "<all_urls>"
+        "*://*/*"
+        "tabs"
+        "contextMenus"
+        "storage"
+        "unlimitedStorage"
+        "clipboardRead"
+        "clipboardWrite"
+        "idle"
+        "webRequest"
+        "webRequestBlocking"
+        "file:///*"
+        "https://*/*"
+        "https://lastpass.com/export.php"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "consent-o-matic" = buildFirefoxXpiAddon {
+    pname = "consent-o-matic";
+    version = "1.0.13";
+    addonId = "gdpr@cavi.au.dk";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4246350/consent_o_matic-1.0.13.xpi";
+    sha256 = "ee577eaedebd9fef65f77218b86c59972818442c9af551d551a7015a4a246e9a";
+    meta = with lib; {
+      homepage = "https://consentomatic.au.dk/";
+      description = "Automatic handling of GDPR consent forms";
+      license = licenses.mit;
+      mozPermissions = [
+        "activeTab"
+        "tabs"
+        "storage"
+        "<all_urls>"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "darkreader" = buildFirefoxXpiAddon {
+    pname = "darkreader";
+    version = "4.9.83";
+    addonId = "addon@darkreader.org";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4262984/darkreader-4.9.83.xpi";
+    sha256 = "a43cca2449de202d17040b0d91b2fb3ed4dd58ac81ec5d3fde4c9940d326c822";
+    meta = with lib; {
+      homepage = "https://darkreader.org/";
+      description = "Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.";
+      license = licenses.mit;
+      mozPermissions = [
+        "alarms"
+        "contextMenus"
+        "storage"
+        "tabs"
+        "theme"
+        "<all_urls>"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "furiganaize" = buildFirefoxXpiAddon {
+    pname = "furiganaize";
+    version = "0.7.2";
+    addonId = "{a2503cd4-4083-4c2f-bef2-37767a569867}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4032306/furiganaize-0.7.2.xpi";
+    sha256 = "7545bc418f2afbc576b0e762f2b2fa0545d5d94f3f80737e5356d087a5951c0b";
+    meta = with lib; {
+      homepage = "https://github.com/kuanyui/Furiganaize";
+      description = "Auto insert furigana (振り仮名) on Japanese kanji.";
+      license = licenses.mit;
+      mozPermissions = [
+        "http://*/*"
+        "https://*/*"
+        "file://*/*"
+        "<all_urls>"
+        "activeTab"
+        "tabs"
+        "storage"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "ipfs-companion" = buildFirefoxXpiAddon {
+    pname = "ipfs-companion";
+    version = "3.1.0";
+    addonId = "ipfs-firefox-addon@lidel.org";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4172699/ipfs_companion-3.1.0.xpi";
+    sha256 = "784f6d1e0497d86f1e42cfe7de8548b5cc28fabe80e50771d90f59ddf1b9d3c1";
+    meta = with lib; {
+      homepage = "https://github.com/ipfs/ipfs-companion";
+      description = "Harness the power of IPFS in your browser";
+      license = licenses.cc0;
+      mozPermissions = [
+        "idle"
+        "tabs"
+        "notifications"
+        "proxy"
+        "storage"
+        "unlimitedStorage"
+        "contextMenus"
+        "clipboardWrite"
+        "webNavigation"
+        "webRequest"
+        "webRequestBlocking"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "languagetool" = buildFirefoxXpiAddon {
+    pname = "languagetool";
+    version = "8.6.0";
+    addonId = "languagetool-webextension@languagetool.org";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4249956/languagetool-8.6.0.xpi";
+    sha256 = "d9db9aac9fdd53eb39179c153161762cd9e9eb1f6d7da8e8b8a32238b4847094";
+    meta = with lib; {
+      homepage = "https://languagetool.org";
+      description = "With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.";
+      mozPermissions = [
+        "activeTab"
+        "storage"
+        "contextMenus"
+        "alarms"
+        "http://*/*"
+        "https://*/*"
+        "file:///*"
+        "*://docs.google.com/document/*"
+        "*://languagetool.org/*"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "no-pdf-download" = buildFirefoxXpiAddon {
+    pname = "no-pdf-download";
+    version = "1.0.6";
+    addonId = "{b9b25e4a-bdf4-4270-868c-3f619eaf437d}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/3020560/no_pdf_download-1.0.6.xpi";
+    sha256 = "fa27b6729178a23ccf2eee07cd7650d841fc6040f2e5adfb919931b671ed79e6";
+    meta = with lib; {
+      homepage = "https://github.com/MorbZ/no-pdf-download";
+      description = "Opens all PDF files directly in the browser.";
+      license = licenses.mit;
+      mozPermissions = [
+        "webRequest"
+        "webRequestBlocking"
+        "<all_urls>"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "redirector" = buildFirefoxXpiAddon {
+    pname = "redirector";
+    version = "3.5.3";
+    addonId = "redirector@einaregilsson.com";
+    url = "https://addons.mozilla.org/firefox/downloads/file/3535009/redirector-3.5.3.xpi";
+    sha256 = "eddbd3d5944e748d0bd6ecb6d9e9cf0e0c02dced6f42db21aab64190e71c0f71";
+    meta = with lib; {
+      homepage = "http://einaregilsson.com/redirector/";
+      description = "Automatically redirects to user-defined urls on certain pages";
+      license = licenses.mit;
+      mozPermissions = [
+        "webRequest"
+        "webRequestBlocking"
+        "webNavigation"
+        "storage"
+        "tabs"
+        "http://*/*"
+        "https://*/*"
+        "notifications"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "rikaichamp" = buildFirefoxXpiAddon {
+    pname = "rikaichamp";
+    version = "1.18.0";
+    addonId = "{59812185-ea92-4cca-8ab7-cfcacee81281}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4241410/10ten_ja_reader-1.18.0.xpi";
+    sha256 = "5433bcfec5a327bf1fa198b3f0645a9cdcdc44232465ad940fa8a5858b6996f8";
+    meta = with lib; {
+      homepage = "https://github.com/birchill/10ten-ja-reader/";
+      description = "Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.";
+      license = licenses.gpl3;
+      mozPermissions = [
+        "alarms"
+        "clipboardWrite"
+        "contextMenus"
+        "storage"
+        "unlimitedStorage"
+        "http://*/*"
+        "https://*/*"
+        "file:///*"
+        "https://docs.google.com/*"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "skip-redirect" = buildFirefoxXpiAddon {
+    pname = "skip-redirect";
+    version = "2.3.6";
+    addonId = "skipredirect@sblask";
+    url = "https://addons.mozilla.org/firefox/downloads/file/3920533/skip_redirect-2.3.6.xpi";
+    sha256 = "dbe8950245c1f475c5c1c6daab89c79b83ba4680621c91e80f15be7b09b618ae";
+    meta = with lib; {
+      description = "Some web pages use intermediary pages before redirecting to a final page. This add-on tries to extract the final url from the intermediary url and goes there straight away if successful.";
+      license = licenses.mit;
+      mozPermissions = [
+        "<all_urls>"
+        "clipboardWrite"
+        "contextMenus"
+        "notifications"
+        "storage"
+        "webRequest"
+        "webRequestBlocking"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "ublock-origin" = buildFirefoxXpiAddon {
+    pname = "ublock-origin";
+    version = "1.57.2";
+    addonId = "uBlock0@raymondhill.net";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4261710/ublock_origin-1.57.2.xpi";
+    sha256 = "9928e79a52cecf7cfa231fdb0699c7d7a427660d94eb10d711ed5a2f10d2eb89";
+    meta = with lib; {
+      homepage = "https://github.com/gorhill/uBlock#ublock-origin";
+      description = "Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.";
+      license = licenses.gpl3;
+      mozPermissions = [
+        "alarms"
+        "dns"
+        "menus"
+        "privacy"
+        "storage"
+        "tabs"
+        "unlimitedStorage"
+        "webNavigation"
+        "webRequest"
+        "webRequestBlocking"
+        "<all_urls>"
+        "http://*/*"
+        "https://*/*"
+        "file://*/*"
+        "https://easylist.to/*"
+        "https://*.fanboy.co.nz/*"
+        "https://filterlists.com/*"
+        "https://forums.lanik.us/*"
+        "https://github.com/*"
+        "https://*.github.io/*"
+        "https://*.letsblock.it/*"
+        "https://github.com/uBlockOrigin/*"
+        "https://ublockorigin.github.io/*"
+        "https://*.reddit.com/r/uBlockOrigin/*"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "user-agent-switcher" = buildFirefoxXpiAddon {
+    pname = "user-agent-switcher";
+    version = "0.5.0";
+    addonId = "{a6c4a591-f1b2-4f03-b3ff-767e5bedf4e7}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4098688/user_agent_string_switcher-0.5.0.xpi";
+    sha256 = "9dc8da3c8c46d4f04d12fd789c63501fa6a2f502f859b286939a090db63eae33";
+    meta = with lib; {
+      homepage = "http://add0n.com/useragent-switcher.html";
+      description = "Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.";
+      license = licenses.mpl20;
+      mozPermissions = [
+        "storage"
+        "<all_urls>"
+        "webNavigation"
+        "webRequest"
+        "webRequestBlocking"
+        "contextMenus"
+        "*://*/*"
+      ];
+      platforms = platforms.all;
+    };
+  };
+  "violentmonkey" = buildFirefoxXpiAddon {
+    pname = "violentmonkey";
+    version = "2.18.0";
+    addonId = "{aecec67f-0d10-4fa7-b7c7-609a2db280cf}";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4220396/violentmonkey-2.18.0.xpi";
+    sha256 = "4abbeea842b82965379c6011dec6a435dfff0f69c20749118a8ba2f7d14cb0f1";
+    meta = with lib; {
+      homepage = "https://violentmonkey.github.io/";
+      description = "Userscript support for browsers, open source.";
+      license = licenses.mit;
+      mozPermissions = [
+        "tabs"
+        "<all_urls>"
+        "webRequest"
+        "webRequestBlocking"
+        "notifications"
+        "storage"
+        "unlimitedStorage"
+        "clipboardWrite"
+        "contextMenus"
+        "cookies"
+      ];
+      platforms = platforms.all;
+    };
+  };
+}
diff --git a/modules/firefox/default.nix b/modules/firefox/default.nix
new file mode 100644
index 0000000..ce2cecc
--- /dev/null
+++ b/modules/firefox/default.nix
@@ -0,0 +1,575 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+with lib;
+let
+  cfg = config.nixfiles.modules.firefox;
+in
+{
+  options.nixfiles.modules.firefox.enable = mkEnableOption "Firefox";
+
+  config = mkIf cfg.enable {
+    nixfiles.modules.common.xdg.defaultApplications.firefox = [
+      "text/html"
+      "x-scheme-handler/http"
+      "x-scheme-handler/https"
+    ];
+
+    hm = {
+      imports = [ inputs.arkenfox.hmModules.arkenfox ];
+
+      home.packages = with pkgs; [ profile-cleaner ];
+
+      stylix.targets.firefox = {
+        enable = true;
+        profileNames = [ "default" ];
+      };
+
+      programs.firefox = {
+        enable = true;
+
+        package = pkgs.firefox;
+
+        arkenfox.enable = true;
+
+        profiles.default =
+          let
+            mkCssWithRoot =
+              css:
+              mkMerge [
+                # https://github.com/tinted-theming/base24/blob/master/styling.md
+                (with config.colors.withHashtag; ''
+                  :root {
+                    --black: ${base01};
+                    --red: ${base08};
+                    --green: ${base0B};
+                    --yellow: ${base09};
+                    --blue: ${base0D};
+                    --magenta: ${base0E};
+                    --cyan: ${base0C};
+                    --white: ${base06};
+                    --bright-black: ${base02};
+                    --bright-red: ${base12};
+                    --bright-green: ${base14};
+                    --bright-yellow: ${base13};
+                    --bright-blue: ${base16};
+                    --bright-magenta: ${base17};
+                    --bright-cyan: ${base15};
+                    --bright-white: ${base07};
+                    --background: ${base00};
+                    --foreground: ${base05};
+                '')
+                (
+                  let
+                    mapFonts = concatMapStringsSep ", " (font: ''"${font}"'');
+                    size = toString config.stylix.fonts.sizes.applications;
+                  in
+                  with config.fonts.fontconfig.defaultFonts;
+                  ''
+                      --serif-font-family: ${mapFonts serif}, serif;
+                      --serif-font-size: ${size};
+                      --sans-serif-font-family: ${mapFonts sansSerif}, sans-serif;
+                      --sans-serif-font-size: ${size};
+                      --monospace-font-family: ${mapFonts monospace}, monospace;
+                      --monospace-font-size: ${size};
+                    }
+                  ''
+                )
+                (builtins.readFile css)
+              ];
+          in
+          {
+            id = 0;
+
+            isDefault = true;
+
+            userChrome = mkCssWithRoot ./userChrome.css;
+
+            userContent = mkCssWithRoot ./userContent.css;
+
+            extensions =
+              let
+                # This was done using the incredible addon generator[1]. All credit
+                # goes to Robert Helgesson.
+                #
+                # [1]: https://sr.ht/~rycee/mozilla-addons-to-nix/
+                buildFirefoxXpiAddon = makeOverridable (
+                  {
+                    stdenv ? pkgs.stdenv,
+                    fetchurl ? pkgs.fetchurl,
+                    pname,
+                    version,
+                    addonId,
+                    url,
+                    sha256,
+                    meta,
+                    ...
+                  }:
+                  stdenv.mkDerivation {
+                    name = "${pname}-${version}";
+                    inherit meta;
+                    src = fetchurl { inherit url sha256; };
+                    preferLocalBuild = true;
+                    allowSubstitutes = true;
+                    buildCommand = ''
+                      dst="$out/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
+                      mkdir -p "$dst"
+                      install -v -m644 "$src" "$dst/${addonId}.xpi"
+                    '';
+                  }
+                );
+
+                addons = import ./addons.nix { inherit buildFirefoxXpiAddon lib; };
+              in
+              with addons;
+              [
+                consent-o-matic
+                darkreader
+                furiganaize
+                languagetool
+                no-pdf-download
+                redirector
+                rikaichamp
+                skip-redirect
+                ublock-origin
+                user-agent-switcher
+                violentmonkey
+              ]
+              ++ optional config.nixfiles.modules.ipfs.enable ipfs-companion;
+
+            search = {
+              force = true;
+
+              default = "DuckDuckGo";
+              order = [
+                "DuckDuckGo"
+                "Yahoo"
+                "Google"
+              ];
+
+              engines =
+                let
+                  getIcon = url: sha256: pkgs.fetchurl { inherit url sha256; };
+                in
+                {
+                  "Amazon.com".metaData.hidden = true;
+                  "Bing".metaData.hidden = true;
+                  "Ebay".metaData.hidden = true;
+
+                  "2GIS" = {
+                    urls = [ { template = "https://2gis.ru/kazan/search/{searchTerms}"; } ];
+                    icon = getIcon "https://d-assets.2gis.ru/favicon.png" "sha256-BlSaYRcUx9zhfJnVK5V7rsyft4qaueIEOONiCg+6aLE=";
+                    definedAliases = [ "@2gis" ];
+                  };
+
+                  "AliExpress" = {
+                    urls = [ { template = "https://aliexpress.ru/wholesale?SearchText={searchTerms}"; } ];
+                    icon = getIcon "https://ae01.alicdn.com/images/eng/wholesale/icon/aliexpress.ico" "sha256-7xgem2pY2PNuv8as1YnS+U03GvDLLGjhcDLt69rtmaA=";
+                    definedAliases = [
+                      "@aliexpress"
+                      "@ali"
+                    ];
+                  };
+
+                  "Ansible Galaxy" = {
+                    urls = [ { template = "https://galaxy.ansible.com/search?keywords={searchTerms}"; } ];
+                    icon = getIcon "https://galaxy.ansible.com/assets/favicon.ico" "sha256-oAolpZhdKbVTraes6dDlafpvq/Vypu264vgKN4jzJk8=";
+                    definedAliases = [
+                      "@ansible"
+                      "@galaxy"
+                      "@ag"
+                    ];
+                  };
+
+                  "Arch Wiki" = {
+                    urls = [ { template = "https://wiki.archlinux.org/index.php?search={searchTerms}"; } ];
+                    icon = getIcon "https://wiki.archlinux.org/favicon.ico" "sha256-0uxMtT8myzTT7p9k6v5UxsguPKu+vHPlglNTMbnN1T0=";
+                    definedAliases = [
+                      "@archwiki"
+                      "@aw"
+                    ];
+                  };
+
+                  "crates.io" = {
+                    urls = [ { template = "https://crates.io/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://crates.io/favicon.ico" "sha256-upooA/+m5KMUD1t4WFY3EOmytdpUFgNqUj12Auta1mM=";
+                    definedAliases = [ "@crates" ];
+                  };
+
+                  "Discogs" = {
+                    urls = [ { template = "https://www.discogs.com/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://st.discogs.com/d56dcb7367720ea20f1b11a4385705517c7e7702/images/favicon.ico" "sha256-zEDrbmcUf8XHUyYzNc6JsWzBioX8sm8tjScGHim5VTk=";
+                    definedAliases = [ "@discogs" ];
+                  };
+
+                  "Docker Hub" = {
+                    urls = [ { template = "https://hub.docker.com/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://www.docker.com/wp-content/uploads/2023/04/cropped-Docker-favicon-32x32.png" "sha256-4NmHGMaq31qoIvdlmy7fI3qTbkcp1/tJhqQu/9Ci4/c=";
+                    definedAliases = [
+                      "@dockerhub"
+                      "@docker"
+                    ];
+                  };
+
+                  "Ecosia" = {
+                    urls = [ { template = "https://www.ecosia.org/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://cdn-static.ecosia.org/static/icons/favicon.ico" "sha256-uvPShG1yVh4C4zaJmGuhhr96V/NredB1Wte9O3U6QxA=";
+                    definedAliases = [ "@ecosia" ];
+                  };
+
+                  "Genius" = {
+                    urls = [ { template = "https://genius.com/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://assets.genius.com/images/apple-touch-icon.png" "sha256-M9YQEVg3T7hMO/xPfihR1aXfG+/pNiVOBCOtzx3GrkE=";
+                    definedAliases = [ "@genius" ];
+                  };
+
+                  "GitHub" = {
+                    urls = [ { template = "https://github.com/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://github.githubassets.com/favicons/favicon-dark.svg" "sha256-qu/d9ftvsntplFuxw9RFL8BpI9b2g5b6xfeGw6Ekh6w=";
+                    definedAliases = [
+                      "@github"
+                      "@gh"
+                    ];
+                  };
+
+                  "godocs.io" = {
+                    urls = [ { template = "https://godocs.io/?q={searchTerms}"; } ];
+                    icon = getIcon "https://go.dev/images/favicon-gopher.svg" "sha256-OlKpUUeYF8TtMoX4e0ERK1ocIb53OJ8ZDxvwJaQVM/0=";
+                    definedAliases = [ "@godocs" ];
+                  };
+
+                  "pkgs.go.dev" = {
+                    urls = [ { template = "https://pkg.go.dev/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://go.dev/images/favicon-gopher.svg" "sha256-OlKpUUeYF8TtMoX4e0ERK1ocIb53OJ8ZDxvwJaQVM/0=";
+                    definedAliases = [ "@gopkgs" ];
+                  };
+
+                  "Hackage" = {
+                    urls = [ { template = "https://hackage.haskell.org/packages/search?terms={searchTerms}"; } ];
+                    icon = getIcon "https://hackage.haskell.org/static/favicon.png" "sha256-+6WAv93yaA3L2eheGKxklY/uRAvbKD1q/WcmufmhKxY=";
+                    definedAliases = [ "@hackage" ];
+                  };
+
+                  "Hoogle" = {
+                    urls = [ { template = "https://hoogle.haskell.org/?hoogle={searchTerms}"; } ];
+                    icon = getIcon "https://hoogle.haskell.org/favicon.png" "sha256-6qmjRYDDRUwm6EdLoZB6o9XtoujsfDEQJ9xOu3Knei8=";
+                    definedAliases = [ "@hoogle" ];
+                  };
+
+                  "Jisho" = {
+                    urls = [ { template = "https://jisho.org/search/{searchTerms}"; } ];
+                    icon = getIcon "https://assets.jisho.org/assets/favicon-062c4a0240e1e6d72c38aa524742c2d558ee6234497d91dd6b75a182ea823d65.ico" "sha256-BixKAkDh5tcsOKpSR0LC1VjuYjRJfZHda3WhguqCPWU=";
+                    definedAliases = [ "@jisho" ];
+                  };
+
+                  "コトバンク" = {
+                    urls = [ { template = "https://kotobank.jp/gs/?q={searchTerms}"; } ];
+                    icon = getIcon "https://kotobank.jp/favicon.ico" "sha256-t+EzqURlQwznuBqa0GcBbqumvZqtU7HrEAjGUlqp1tg=";
+                    definedAliases = [ "@kotobank" ];
+                  };
+
+                  "Kubernetes" = {
+                    urls = [ { template = "https://kubernetes.io/search/?q={searchTerms}"; } ];
+                    icon = getIcon "https://kubernetes.io/images/favicon.png" "sha256-YI5QvGQXoaTG3uUGQ/R99Xl2r+VqBAA1qqthzPbf8nQ=";
+                    definedAliases = [
+                      "@kubernetes"
+                      "@k8s"
+                    ];
+                  };
+
+                  "Last.fm" = {
+                    urls = [ { template = "https://www.last.fm/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://www.last.fm/static/images/favicon.702b239b6194.ico" "sha256-ID+DfF+dZ5CzKiBp/psQPRD6r/06PZ0rVYiELWUt5Mw=";
+                    definedAliases = [ "@lastfm" ];
+                  };
+
+                  "MDN" = {
+                    urls = [ { template = "https://developer.mozilla.org/en-US/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://developer.mozilla.org/favicon-48x48.cbbd161b.png" "sha256-Wnd0BqQIKgroGmV+R8vqV9uNBwDvcxBrQ8hXOLOFeKY=";
+                    definedAliases = [ "@mdn" ];
+                  };
+
+                  "MELPA" = {
+                    urls = [ { template = "https://melpa.org/#/?q={searchTerms}"; } ];
+                    icon = getIcon "https://melpa.org/favicon.ico" "sha256-bmlydqXBM8MUMC6cOTGSHPx6zN8tZFqmQ+srbXkSCA4=";
+                    definedAliases = [ "@melpa" ];
+                  };
+
+                  "MusicBrainz" = {
+                    urls = [ { template = "https://musicbrainz.org/search?type=artist&query={searchTerms}"; } ];
+                    icon = getIcon "https://musicbrainz.org/static/images/favicons/favicon-16x16.png" "sha256-M5mKQurmO9AP0gfC+5OLwi8k4XWQy759eQrrKAeytl0=";
+                    definedAliases = [
+                      "@musicbrainz"
+                      "@mb"
+                    ];
+                  };
+
+                  "NixOS Packages" = {
+                    urls = [ { template = "https://search.nixos.org/packages?channel=unstable&query={searchTerms}"; } ];
+                    icon = getIcon "https://nixos.org/favicon.png" "sha256-awcsDbbpRcDJnJpRavj/IcKMReEektRcqKbE35IJTKQ=";
+                    definedAliases = [
+                      "@nixpkgs"
+                      "@np"
+                    ];
+                  };
+
+                  "NixOS Options" = {
+                    urls = [ { template = "https://search.nixos.org/options?channel=unstable&query={searchTerms}"; } ];
+                    icon = getIcon "https://nixos.org/favicon.png" "sha256-awcsDbbpRcDJnJpRavj/IcKMReEektRcqKbE35IJTKQ=";
+                    definedAliases = [
+                      "@nixopts"
+                      "@no"
+                    ];
+                  };
+
+                  "NixOS Wiki" = {
+                    urls = [ { template = "https://nixos.wiki/index.php?search={searchTerms}"; } ];
+                    icon = getIcon "https://nixos.wiki/favicon.png" "sha256-DE8IgVninF6Aq3iNMgerhvF1dpoXqDUSibtWSpf/dN4=";
+                    definedAliases = [
+                      "@nixoswiki"
+                      "@nw"
+                    ];
+                  };
+
+                  "OpenStreetMap" = {
+                    urls = [ { template = "https://www.openstreetmap.org/search?query={searchTerms}"; } ];
+                    icon = getIcon "https://www.openstreetmap.org/assets/favicon-32x32-99b88fcadeef736889823c8a886b89d8cada9d4423a49a27de29bacc0a6bebd1.png" "sha256-dt4QVbQPdb4neS/fwH3yOWOSbEdkjMZtAYnIeCfr7qI=";
+                    definedAliases = [
+                      "@openstreetmap"
+                      "@osm"
+                      "@maps"
+                    ];
+                  };
+
+                  "ProtonDB" = {
+                    urls = [ { template = "https://www.protondb.com/search?q={searchTerms}"; } ];
+                    icon = getIcon "https://www.protondb.com/sites/protondb/images/favicon.ico" "sha256-oauOp0EASNjMcThfzYJ2TfbaOYHBPL8LOp+9lmp4pmc=";
+                    definedAliases = [ "@protondb" ];
+                  };
+
+                  "PyPI" = {
+                    urls = [ { template = "https://pypi.org/search/?q={searchTerms}"; } ];
+                    icon = getIcon "https://pypi.org/static/images/logo-small.2a411bc6.svg" "sha256-+fcSfcNxAMLIFkp+gh52c48lQORoyhcegUIFtuq/zYs=";
+                    definedAliases = [ "@pypi" ];
+                  };
+
+                  "Python Docs" = {
+                    urls = [ { template = "https://docs.python.org/3/search.html?q={searchTerms}"; } ];
+                    icon = getIcon "https://docs.python.org/3/_static/py.svg" "sha256-WGW+i8wK+IhZSQPqARL2yNkjxXJsQIHoyFYRDMcznO8=";
+                    definedAliases = [ "@pydocs" ];
+                  };
+
+                  "Rate Your Music" = {
+                    urls = [ { template = "https://rateyourmusic.com/search?searchterm={searchTerms}"; } ];
+                    icon = getIcon "https://e.snmc.io/3.0/img/logo/sonemic-32.png" "sha256-JpTt1tjBkUvDMTGrG7Hg2EiE8PR3RL7McodeZk1EpZA=";
+                    definedAliases = [ "@rym" ];
+                  };
+
+                  "Rust Std" = {
+                    urls = [ { template = "https://doc.rust-lang.org/std/?search={searchTerms}"; } ];
+                    icon = getIcon "https://www.rust-lang.org/static/images/favicon-32x32.png" "sha256-l2y4jpnODbua4dyLvXTMBlHVkoDPM9y00l6L61so7eA=";
+                    definedAliases = [
+                      "@ruststd"
+                      "@rust"
+                    ];
+                  };
+
+                  "SourceHut" = {
+                    urls = [ { template = "https://sr.ht/projects?search={searchTerms}"; } ];
+                    icon = getIcon "https://sr.ht/static/logo.png" "sha256-NBzKZhqE9//zVJlOwYiwyW/jRFh8+nS2YvC3zMCQ1fU=";
+                    definedAliases = [
+                      "@sourcehut"
+                      "@srht"
+                    ];
+                  };
+
+                  "SteamDB" = {
+                    urls = [ { template = "https://steamdb.info/search/?a=app&q={searchTerms}"; } ];
+                    icon = getIcon "https://steamdb.info/static/logos/32px.png" "sha256-IUBiB5JUSvyDa+m/wecmHB8s3Wfu0JK98bJ+ZRZ5ybQ=";
+                    definedAliases = [ "@steamdb" ];
+                  };
+
+                  "WolframAlpha" = {
+                    urls = [ { template = "https://www.wolframalpha.com/input?i={searchTerms}"; } ];
+                    icon = getIcon "https://www.wolframalpha.com/_next/static/images/favicon_1zbE9hjk.ico" "sha256-S9k7AlBQiDElBCGopJ8xfBD6dIhGU+EBh8t1QYbP2S4=";
+                    definedAliases = [
+                      "@wolframalpha"
+                      "@wa"
+                    ];
+                  };
+
+                  "Yahoo" = {
+                    urls = [ { template = "https://yahoo.com/search/?text={searchTerms}"; } ];
+                    icon = getIcon "https://yahoostatic.net/s3/web4static/_/v2/oxjfXL1EO-B5Arm80ZrL00p0al4.png" "sha256-gvYh4oCZEO7BL2QZ6QvQFlmFiP2L4SLJrxAsKFcG6G4=";
+                    definedAliases = [
+                      "@yahoo"
+                      "@ya"
+                    ];
+                  };
+
+                  "YouTube" = {
+                    urls = [ { template = "https://yewtu.be/search?q={}"; } ];
+                    icon = getIcon "https://www.youtube.com/s/desktop/280a3f09/img/favicon.ico" "sha256-i7HQ+kOhdDbVndVG9vdMdtxEc13vdSLCLYAxFm24kR0=";
+                    definedAliases = [
+                      "@youtube"
+                      "@yt"
+                    ];
+                  };
+                };
+            };
+
+            # NOTE This silently overrides all other bookmarks.
+            bookmarks = [
+              {
+                name = "Bookmarks Toolbar";
+                toolbar = true;
+                bookmarks = with config.nixfiles.modules; [
+                  (mkIf syncthing.enable {
+                    name = "Syncthing";
+                    url = "http://${config.services.syncthing.guiAddress}";
+                  })
+                  (mkIf ipfs.enable {
+                    name = "IPFS";
+                    url = "http://127.0.0.1:${toString ipfs.apiPort}/webui";
+                  })
+                ];
+              }
+            ];
+
+            # https://github.com/arkenfox/user.js/blob/master/user.js
+            arkenfox = {
+              enable = true;
+              "0000".enable = true;
+              "0100" = {
+                enable = true;
+                "0103"."browser.startup.homepage".value = "about:blank";
+              };
+              "0200".enable = true;
+              "0300".enable = true;
+              "0400" = {
+                enable = true;
+                "0401"."browser.safebrowsing.phishing.enabled".enable = true;
+                "0402"."browser.safebrowsing.downloads.enabled".enable = true;
+                "0404" = {
+                  "browser.safebrowsing.downloads.remote.block_potentially_unwanted".enable = true;
+                  "browser.safebrowsing.downloads.remote.block_uncommon".enable = true;
+                };
+                "0405"."browser.safebrowsing.allowOverride".enable = true;
+              };
+              "0600".enable = true;
+              "0700" = {
+                enable = true;
+                "0710"."network.trr.mode" = {
+                  enable = true;
+                  value = 5;
+                };
+              };
+              "0800" = {
+                enable = true;
+                "0830" = {
+                  "browser.search.separatePrivateDefault" = {
+                    enable = true;
+                    value = false;
+                  };
+                  "browser.search.separatePrivateDefault.ui.enabled" = {
+                    enable = true;
+                    value = false;
+                  };
+                };
+              };
+              "0900".enable = true;
+              "1000" = {
+                enable = true;
+                "1001".enable = false;
+              };
+              "1200".enable = true;
+              "1600".enable = true;
+              "1700".enable = true;
+              "2000".enable = true;
+              "2400".enable = true;
+              "2600" = {
+                enable = true;
+                "2615"."permissions.default.shortcuts".enable = true;
+              };
+              "2700".enable = true;
+              "2800" = {
+                enable = true;
+                "2811"."privacy.clearOnShutdown.history".value = false;
+              };
+              "4500" = {
+                enable = true;
+                "4502".enable = false;
+                "4504".enable = false;
+              };
+              "5000" = {
+                enable = true;
+                "5003"."signon.rememberSignons".enable = true;
+                "5017" = {
+                  "extensions.formautofill.addresses.enabled".enable = true;
+                  "extensions.formautofill.creditCards.enabled".enable = true;
+                };
+                "5019"."browser.pagethumbnails.capturing_disabled".enable = true;
+              };
+              "5500" = {
+                enable = true;
+                "5508"."media.eme.enabled".enable = true;
+                "5508"."browser.eme.ui.enabled".enable = true;
+              };
+              "6000".enable = true;
+              "7000".enable = true;
+              "8000".enable = true;
+              "9000".enable = true;
+            };
+
+            settings = {
+              "app.update.auto" = false;
+              "browser.backspace_action" = 0;
+              "browser.disableResetPrompt" = true;
+              "browser.download.autohideButton" = false;
+              "browser.newtabpage.introShown" = true;
+              "browser.newtabpage.pinned" = "";
+              "browser.onboarding.enabled" = false;
+              "browser.open.lastDir" = config.my.home;
+              "browser.protections_panel.infoMessage.seen" = true;
+              "browser.region.update.region" = "US";
+              "browser.search.region" = "US";
+              "browser.search.update" = false;
+              "browser.shell.checkDefaultBrowser" = false;
+              "browser.tabs.closeWindowWithLastTab" = true;
+              "browser.tabs.firefox-view" = false;
+              "browser.tabs.firefox-view-next" = false;
+              "browser.tabs.inTitlebar" = 0;
+              "browser.tabs.tabmanager.enabled" = false;
+              "browser.tabs.warnOnClose" = false;
+              "browser.tabs.warnOnCloseOtherTabs" = false;
+              "browser.tabs.warnOnOpen" = false;
+              "browser.toolbars.bookmarks.visibility" = "newtab";
+              "browser.translations.enable" = false;
+              "browser.urlbar.decodeURLsOnCopy" = true;
+              "browser.urlbar.suggest.engines" = false;
+              "browser.warnOnQuitShortcut" = false;
+              "devtools.everOpened" = true;
+              "doh-rollout.home-region" = "US";
+              "extensions.pocket.enabled" = false;
+              "extensions.update.autoUpdateDefault" = false;
+              "extensions.update.enabled" = false;
+              "full-screen-api.warning.delay" = 0;
+              "full-screen-api.warning.timeout" = 0;
+              "general.autoScroll" = true;
+              "general.smoothScroll" = true;
+              "identity.fxaccounts.enabled" = false;
+              "media.autoplay.blocking_policy" = 2;
+              "media.autoplay.default" = 5;
+              "media.hardwaremediakeys.enabled" = false;
+              "reader.parse-on-load.enabled" = false;
+              "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
+            };
+          };
+      };
+    };
+  };
+}
diff --git a/modules/firefox/userChrome.css b/modules/firefox/userChrome.css
new file mode 100644
index 0000000..80d1f7a
--- /dev/null
+++ b/modules/firefox/userChrome.css
@@ -0,0 +1,172 @@
+@-moz-document url(chrome://browser/content/browser.xhtml)
+{
+  /*
+   ***
+   * Tabbar
+   ***
+   */
+
+  /*
+   * Apply colours and fonts.
+   */
+  .tabbrowser-tab {
+    color: var(--background-alt) !important;
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+  .tabbrowser-tab[visuallyselected="true"] {
+    background: var(--background) !important;
+    color: var(--foreground) !important;
+  }
+
+  /*
+   * Not sure why is this shit even exists...
+   */
+  .titlebar-spacer {
+    display: none !important;
+  }
+
+  /*
+   * Disable the Firefox View button.
+   */
+  #firefox-view-button {
+    display: none !important;
+  }
+
+  /*
+   * Disable borders and margins.
+   */
+  #tabbrowser-tabs {
+    border-inline-start: 0 !important;
+    /* padding-inline-start: 0 !important; */
+    margin-inline-start: 0 !important;
+  }
+  #tabbrowser-tabs[haspinnedtabs]:not([positionpinnedtabs])
+    > #tabbrowser-arrowscrollbox
+    > .tabbrowser-tab[first-visible-unpinned-tab] {
+    margin-inline-start: none !important;
+  }
+  .tabbrowser-tab::after,
+  .tabbrowser-tab::before {
+    border: none !important;
+  }
+
+  /*
+   * Make tabs backgroundless.
+   */
+  /* .tab-background, */
+  /* .tab-line { */
+  /*   display: none !important; */
+  /* } */
+
+  /*
+   * Stretch tabs to the max by default.
+   */
+  .tabbrowser-tab[fadein]:not([pinned="true"]) {
+    max-width: 100% !important;
+  }
+
+  /*
+   * Fix favicon location.
+   */
+  .tab-icon-image {
+    margin-inline-end: 10px !important;
+    margin-top: 0px !important;
+  }
+
+  /*
+   * "C-t" exists.
+   */
+  #tabs-newtab-button,
+  #TabsToolbar #new-tab-button {
+    display: none !important;
+  }
+
+  /*
+   * "C-w" exists.
+   */
+  .tab-close-button {
+    display: none !important;
+  }
+
+  /*
+   ***
+   * Navbar & urlbar.
+   ***
+   */
+
+  /*
+   * Remove padding between urlbar and side elements.
+   */
+  #customizableui-special-spring1,
+  #customizableui-special-spring2 {
+    display: none !important;
+  }
+
+  #urlbar {
+    background: var(--background) !important;
+    color: var(--foreground) !important;
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+    border-color: transparent !important;
+  }
+
+  /* #urlbar:not(:-moz-lwtheme):not([focused="true"]) > #urlbar-background, */
+  /* #searchbar:not(:-moz-lwtheme):not(:focus-within) { */
+  /*   border: none !important; */
+  /* } */
+
+  /* #urlbar *|*.textbox-input::-moz-placeholder { */
+  /*   color: transparent !important; */
+  /* } */
+
+  /* .urlbar-icon:hover:not([disabled]), */
+  /* .urlbar-icon-wrapper:hover:not([disabled]) { */
+  /*   background-color: var(--background-alt) !important; */
+  /* } */
+
+  /* #urlbar-background { */
+  /*   background: transparent !important; */
+  /* } */
+
+  /* .urlbarView-tags, */
+  /* .urlbarView-url, */
+  /* .urlbarView-title:not(:empty) ~ .urlbarView-action { */
+  /*   font-size: var(--sans-serif-font-size) !important; */
+  /* } */
+
+  .urlbarView-row[label="Firefox Suggest"] {
+    margin-block-start: 0 !important;
+  }
+  .urlbarView-row[label="Firefox Suggest"]::before {
+    display: none !important;
+  }
+
+  /*
+   ***
+   * Misc.
+   ***
+   */
+
+  /*
+   * Call indicator that some "designer" decided to make floating and impossible
+   * to hide.
+   */
+  #webrtcIndicator {
+    display: none !important;
+  }
+
+  /*
+   * Disable some context menu entries.
+   */
+  #context-navigation {
+    display: none !important;
+  }
+
+  /*
+   * Remove dumb websites that Mozilla is forced to include.
+   */
+  .search-one-offs {
+    display: none !important;
+  }
+}
diff --git a/modules/firefox/userContent.css b/modules/firefox/userContent.css
new file mode 100644
index 0000000..cf7b659
--- /dev/null
+++ b/modules/firefox/userContent.css
@@ -0,0 +1,399 @@
+@-moz-document media-document(all) {
+  body {
+    background-image: none !important;
+    background-color: var(--background) !important;
+  }
+}
+
+@-moz-document regexp("about:(blank|home|newtab|privatebrowsing|welcome)") {
+  html,
+  body {
+    background: var(--background) !important;
+  }
+
+  body {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://.*")
+{
+  iframe[src^="https://accounts.google.com/gsi/iframe"]
+  {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://(www)?yandex\.(com|ru)/search/.*")
+{
+  #search-result-aside,
+  .RelatedAbove {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://music\.yandex\.ru.*")
+{
+  .bar-below.bar-below_plus,
+  .footer,
+  .notify,
+  .teaser {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://(.*.)?gitlab(\..*)?\.(com|org).*")
+{
+  body {
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+
+  code {
+    font-family: var(--monospace-font-family) !important;
+    font-size: var(--monospace-font-size) !important;
+  }
+}
+
+@-moz-document regexp("https?://(.*\.)?github.com.*")
+{
+  .color-fg-muted.f6.mt-4, /* GitHub profile guide. */
+    .flex-order-1.flex-md-order-none, /* Follow button. */
+    .js-user-status-item,
+    .protip,
+    .pt-3.mt-3.d-none.d-md-block, /* Profile achievements. */
+    .user-status-circle-badge-container,
+    .user-status-container,
+    a[href^="/account/choose?action=upgrade"],
+    a[href^="/collections"],
+    a[href^="/contact/report-content"],
+    a[href^="/events"],
+    a[href^="/explore"],
+    a[href^="/github-copilot"],
+    a[href^="/organizations/enterprise"],
+    a[href^="/settings/enterprises"],
+    a[href^="/sponsors"],
+    a[href^="/topics"],
+    a[href^="/trending"],
+    a[href^="https://github.com/codespaces"], /* Absolute cringe... */
+    button[data-testid="copilot-popover-button"],
+    details[id^="funding-links-modal"],
+    footer {
+    display: none !important;
+  }
+
+  .application-main {
+    padding-bottom: 20px !important;
+  }
+
+  .blob-num,
+  .blob-code-inner {
+    font-family: var(--monospace-font-family) !important;
+    font-size: var(--monospace-font-size) !important;
+  }
+}
+
+@-moz-document regexp("https?://github.com/?")
+{
+  .application-main {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://.*(stack(exchange|overflow)|askubuntu|superuser|serverfault)\.com/questions/.*")
+{
+  html,
+  body {
+    --ff-mono: var(--monospace-font-family) !important;
+    --ff-sans: var(--sans-serif-font-family) !important;
+    --ff-serif: var(--serif-font-family) !important;
+  }
+
+  #announcement-banner,
+  #footer,
+  #left-sidebar,
+  #noscript-warning,
+  #notify-container,
+  #post-form,
+  #sidebar,
+  .ai-start,
+  .bottom-notice,
+  .d-flex.g4,
+  .d-flex.s-btn-group,
+  .js-add-link.comments-link,
+  .js-consent-banner,
+  .js-dismissable-hero,
+  .js-post-issue,
+  .js-saves-btn,
+  .js-show-link.comments-link,
+  .js-vote-down-btn,
+  .js-vote-up-btn,
+  .post-taglist,
+  .s-notice,
+  .s-topbar,
+  .site-header,
+  a.ws-nowrap {
+    display: none !important;
+  }
+
+  #mainbar {
+    width: 100% !important;
+  }
+
+  #content {
+    margin-top: -50px !important;
+    border-width: 0 0 0 0 !important;
+  }
+}
+
+@-moz-document regexp("https?://kubernetes\.io/docs/.*")
+{
+  .announcement,
+  .announcement-main,
+  .d-none {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://min\.io/docs/.*")
+{
+  #cookie {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://werf\.io/documentation/.*")
+{
+  .guides-banner {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://grafana\.com/docs/.*")
+{
+  .ads__content,
+  .scroll,
+  .sticky-footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://habr\.com/(ru|en)/(articles|company/.*/news|news|companies|blog|post)/.*")
+{
+  .Vue-Toastification__container,
+  .tm-article-labels,
+  .tm-article-presenter__banner,
+  .tm-article-presenter__footer,
+  .tm-article-presenter__meta,
+  .tm-article-snippet__labels,
+  .tm-base-layout__header,
+  .tm-block.tm-block_spacing-bottom,
+  .tm-comment-footer,
+  .tm-comment__header,
+  .tm-editoral-subscription,
+  .tm-footer,
+  .tm-footer-menu,
+  .tm-header,
+  .tm-notice,
+  .tm-page__header,
+  .tm-page__sidebar,
+  .tm-placeholder-inset,
+  .tm-placeholder-promo,
+  .tm-user-info,
+  vue-portal-target {
+    display: none !important;
+  }
+
+  * {
+    transition: none !important;
+  }
+
+  html,
+  body {
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+
+  #app {
+    height: auto !important;
+  }
+
+  .tm-article-presenter__footer,
+  .tm-page__main_has-sidebar {
+    margin-left: auto !important;
+    margin-right: auto !important;
+    max-width: 100% !important;
+  }
+
+  .tm-page {
+    padding: 0 !important;
+  }
+
+  .tm-comment__buttons {
+    margin: 0 !important;
+  }
+
+  html,
+  body {
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+
+  code {
+    font-family: var(--monospace-font-family) !important;
+    font-size: var(--monospace-font-size) !important;
+  }
+}
+
+@-moz-document regexp("https?://jisho\.org.*")
+{
+  header,
+  footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://.*\.fandom\.com/wiki/.*")
+{
+  #WikiaBar,
+  #highlight__main-container,
+  .global-footer,
+  .global-navigation,
+  .global-registration-buttons {
+    display: none !important;
+  }
+
+  .main-container,
+  body {
+    background-image: none !important;
+    backgrounde: none !important;
+  }
+
+  .main-container {
+    margin-left: none !important;
+    width: auto !important;
+  }
+
+  .fandom-sticky-header {
+    left: 0px !important;
+  }
+}
+
+@-moz-document regexp("https?:\/\/gog\.com.*") {
+  .galaxy-section-wrapper,
+  footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://steamdb\.info.*")
+{
+  #steamdb-extension-protip {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://(.*\.)?hh\.ru.*")
+{
+  .HH-Supernova-Footer,
+  .index-dashboard-applicant__banners,
+  .notification-manager,
+  .resume-sidebar-background,
+  .supernova-overlay {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://www\.songsterr\.com.*")
+{
+  #favorite,
+  #fullscreen,
+  #logo,
+  #menu-favorites,
+  #menu-help,
+  #menu-plus,
+  #menu-signin,
+  #menu-submit,
+  #promo,
+  #revisions,
+  #showroom,
+  #showroom_sidebar,
+  #text-showroom,
+  footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://developer\.mozilla\.org.*")
+{
+  #nav-footer,
+  .main-document-header-container.top-navigation,
+  .mdn-cta-container,
+  .top-banner.fallback {
+    display: none !important;
+  }
+
+  .sidebar {
+    --offset: default !important;
+  }
+
+  html,
+  body {
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+}
+
+@-moz-document regexp("https?://(.*\.)?wikipedia\.org/wiki/.*")
+{
+  #footer,
+  #mp-topbanner,
+  #siteNotice,
+  #siteSub,
+  #wmde-banner-app,
+  .mw-footer-container,
+  .mw-header,
+  .vector-page-toolbar {
+    display: none !important;
+  }
+
+  html,
+  body {
+    font-family: var(--sans-serif-font-family) !important;
+    font-size: var(--sans-serif-font-size) !important;
+  }
+
+  .k-player,
+  body.mediawiki,
+  #dialogEngineContainer #dialogEngineDialog {
+    background: inherit !important;
+  }
+}
+
+@-moz-document regexp("https?://open-vsx\.org.*")
+{
+  MuiCollapse-container,
+  cc-window.cc-banner,
+  footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://duckduckgo\.com.*")
+{
+  .badge-link, /* Annoying DuckDuckGo extension ads. */
+  .footer {
+    display: none !important;
+  }
+}
+
+@-moz-document regexp("https?://ecosia\.org.*")
+{
+  .cookie-wrapper,
+  .main-header__install-cta,
+  .meta-results,
+  .notifications,
+  .personal-counter {
+    display: none !important;
+  }
+}