Implement 'Disable Autoplaying Sounds' option.

src/General/Config.coffee

@@ -101,6 +101,10 @@ Config =
         true
         'Rewrite the URL of the current page, removing stubs and changing /res/ to /thread/.'
       ]
+      'Disable Autoplaying Sounds': [
+        false
+        'Prevent sounds on the page from autoplaying.'
+      ]
 
     'Linkification':
       'Linkify': [

src/General/Main.coffee

@@ -285,6 +285,7 @@ Main =
     ['Catalog Links',             CatalogLinks]
     ['Settings',                  Settings]
     ['Index Generator',           Index]
+    ['Disable Autoplay',          AntiAutoplay]
     ['Announcement Hiding',       PSAHiding]
     ['Fourchan thingies',         Fourchan]
     ['Color User IDs',            IDColor]

src/General/css/style.css

@@ -99,10 +99,14 @@ hr + div.center:not(.ad-cnt):not(.topad):not(.middlead):not(.bottomad) {
   unicode-bidi: -moz-isolate;
   unicode-bidi: -webkit-isolate;
 }
-/* party hats */
 .thread > img:first-child {
+  /* party hats */
   pointer-events: none;
 }
+.center > audio {
+  display: block;
+  margin: auto;
+}
 
 /* fixed, z-index */
 #overlay,

src/Miscellaneous/AntiAutoplay.coffee

@@ -0,0 +1,10 @@
+AntiAutoplay =
+  init: ->
+    return if !Conf['Disable Autoplaying Sounds']
+    $.ready @ready
+
+  ready: ->
+    for audio in $$ 'audio[autoplay]'
+      audio.pause()
+      audio.autoplay = false
+      audio.controls = true