diff --git a/content/dark_settings_pages.css b/content/dark_settings_pages.css
index c074a6b..0d87bf1 100644
--- a/content/dark_settings_pages.css
+++ b/content/dark_settings_pages.css
@@ -5,12 +5,15 @@
 @namespace html url("http://www.w3.org/1999/xhtml");
 
 @-moz-document url-prefix("about:addons"),
-  url-prefix("about:preferences"){
-  :root{
+  url-prefix("about:preferences"),
+  url-prefix("chrome://mozapps/content/extensions/aboutaddons.html"){
+  :root,
+  html|html{
     --in-content-page-color: rgb(210,210,210) !important;
     --in-content-text-color: rgb(210,210,210) !important;
     --in-content-page-background: rgb(46,54,69) !important;
     --in-content-box-background: rgba(255,255,255,0.1) !important;
+    --in-content-deemphasized-text: var(--in-content-text-color) !important;
   }
   
   menulist > menupopup{ background-color: var(--in-content-page-background) !important; }
@@ -19,6 +22,7 @@
   .info-panel,
   .extension-controlled,
   .message-bar,
+  html|message-bar,
   .alert,
   treecol{
     background-color: var(--in-content-box-background) !important;