diff --git a/src/General/Main.coffee b/src/General/Main.coffee
index d9229a889..da7e55432 100755
--- a/src/General/Main.coffee
+++ b/src/General/Main.coffee
@@ -180,6 +180,12 @@ Main =
     Main.setClass()
 
   setClass: ->
+    if (spooky = $ 'link[rel="stylesheet"][href^="//s.4cdn.org/css/spooky."]', d.head)
+      spooky.removeAttribute 'media'
+      if getComputedStyle(d.body).color is 'rgb(196, 151, 86)' # not blocked
+        $.addClass doc, 'spooky'
+        return
+
     if g.VIEW is 'catalog'
       $.addClass doc, $.id('base-css').href.match(/catalog_(\w+)/)[1].replace('_new', '').replace /_+/g, '-'
       return
@@ -361,7 +367,7 @@ Main =
     $.ready ->
       cb() if Main.isThisPageLegit()
 
-  css: `<%= importCSS('font-awesome', 'style', 'yotsuba', 'yotsuba-b', 'futaba', 'burichan', 'tomorrow', 'photon') %>`
+  css: `<%= importCSS('font-awesome', 'style', 'yotsuba', 'yotsuba-b', 'futaba', 'burichan', 'tomorrow', 'photon', 'spooky') %>`
 
   cssWWW: `<%= importCSS('www') %>`
 
diff --git a/src/General/css/spooky.css b/src/General/css/spooky.css
new file mode 100755
index 000000000..94898e321
--- /dev/null
+++ b/src/General/css/spooky.css
@@ -0,0 +1,132 @@
+/* General */
+:root.spooky .dialog {
+  background-color: #171526;
+  border-color: #707070;
+}
+:root.spooky .field:focus,
+:root.spooky .field.focus {
+  border-color: #98E;
+}
+
+/* Header */
+:root.spooky #header-bar.dialog {
+  background-color: rgba(23,21,38,0.98);
+}
+:root.spooky:not(.fixed) #header-bar, :root.spooky #notifications {
+  font-size: 9pt;
+}
+:root.spooky #header-bar, :root.spooky #notifications {
+  color: #C49756;
+}
+:root.spooky #board-list a, :root.spooky #shortcuts a {
+  color: #FE9600;
+}
+:root.spooky.fixed #custom-board-list .current:hover {
+  border-bottom-color: rgba(255,0,0,0.2);
+}
+
+/* Settings */
+:root.spooky #fourchanx-settings fieldset, :root.spooky .section-main div::before {
+  border-color: #707070;
+}
+:root.spooky .suboption-list > div:last-of-type {
+  background-color: #171526;
+}
+
+/* Quote */
+:root.spooky .catalog-thread > .comment > span.quote, :root.spooky #arc-list span.quote {
+  color: #634C2C;
+}
+:root.spooky .backlink.deadlink {
+  color: #FE9600 !important;
+}
+:root.spooky .inline {
+  border-color: #707070;
+  background-color: rgba(255, 255, 255, .14);
+}
+
+/* QR */
+.spooky #dump-list::-webkit-scrollbar-thumb {
+  background-color: #171526;
+  border-color: #707070;
+}
+:root.spooky .qr-preview {
+  background-color: rgba(0, 0, 0, .15);
+}
+
+:root.spooky #qr .field {
+  background-color: rgb(26, 27, 29);
+  color: rgb(197,200,198);
+  border-color: rgb(40, 41, 42);
+}
+:root.spooky #qr .field:focus,
+:root.spooky #qr .field.focus {
+  border-color: rgb(254, 150, 0) !important;
+  background-color: rgb(30,32,36);
+}
+:root.spooky .persona button {
+  background: linear-gradient(to bottom, #2E3035, #222427) no-repeat;
+  color: rgb(197,200,198);
+  border-color: rgb(40, 41, 42);
+  outline: none;
+}
+:root.spooky .persona button::-moz-focus-inner {
+  border: none;
+}
+:root.spooky .persona button:focus {
+  border-color: rgb(254, 150, 0);
+}
+:root.spooky #qr.sjis-preview #sjis-toggle,
+:root.spooky #qr.tex-preview #tex-preview-button {
+  background: rgb(26, 27, 29);
+}
+:root.spooky #qr select,
+:root.spooky #file-n-submit > input,
+:root.spooky #qr-draw-button {
+  border-color: rgb(40, 41, 42);
+}
+:root.spooky #qr-filename {
+  color: rgb(197,200,198);
+}
+
+:root.spooky .qr-link {
+  border-color: rgb(8, 6, 23) rgb(8, 6, 23) rgb(0, 0, 8);
+  background: linear-gradient(#262435, #171526) repeat scroll 0% 0% transparent;
+}
+:root.spooky .qr-link:hover {
+  background: #1A1829;
+}
+
+
+/* Menu */
+:root.spooky #menu {
+  color: #FE9600;
+}
+:root.spooky .entry {
+  font-size: 10pt;
+}
+:root.spooky .focused.entry {
+  background: rgba(255, 255, 255, .33);
+}
+
+/* Unread */
+:root.spooky #unread-line {
+  border-color: rgb(197, 200, 198);
+}
+
+/* Thread Watcher */
+:root.spooky .replies-quoting-you > a, :root.spooky #watcher-link.disabled.replies-quoting-you {
+  color: #F00 !important;
+}
+
+/* Watcher Favicon */
+:root.spooky .watch-thread-link
+{
+  background-image: url("data:image/svg+xml,<svg viewBox='0 0 26 26' preserveAspectRatio='true' xmlns='http://www.w3.org/2000/svg'><path fill='rgb(254,150,0)' d='M24.132,7.971c-2.203-2.205-5.916-2.098-8.25,0.235L15.5,8.588l-0.382-0.382c-2.334-2.333-6.047-2.44-8.25-0.235c-2.204,2.203-2.098,5.916,0.235,8.249l8.396,8.396l8.396-8.396C26.229,13.887,26.336,10.174,24.132,7.971z'/></svg>");
+}
+
+/* Board Title */
+:root.spooky div.boardTitle {
+  font-family: sans-serif !important;
+  text-shadow: 1px 1px 1px rgba(105,10,15,0.6);
+}
diff --git a/src/Posting/Captcha.v2.coffee b/src/Posting/Captcha.v2.coffee
index 92929ba00..059f7080c 100644
--- a/src/Posting/Captcha.v2.coffee
+++ b/src/Posting/Captcha.v2.coffee
@@ -112,7 +112,7 @@ Captcha.v2 =
           var container = document.querySelector("#qr .captcha-container");
           container.dataset.widgetID = window.grecaptcha.render(container, {
             sitekey: '<%= meta.recaptchaKey %>',
-            theme: document.documentElement.classList.contains('tomorrow') ? 'dark' : 'light',
+            theme: (document.documentElement.classList.contains('tomorrow') || document.documentElement.classList.contains('spooky')) ? 'dark' : 'light',
             callback: function(response) {
               window.dispatchEvent(new CustomEvent("captcha:success", {detail: response}));
             }