diff --git a/css/leptonContent.css b/css/leptonContent.css
index 38d02a5..cd543f9 100644
--- a/css/leptonContent.css
+++ b/css/leptonContent.css
@@ -567,7 +567,7 @@
 /** Fully Dark Mode ***********************************************************/
 /*= Fully Dark Mode - Dark Mode Colors =======================================*/
 @supports -moz-bool-pref("userContent.page.proton_color") {
-  @-moz-document url-prefix("about:"), url-prefix("chrome://browser/content/places/places.xhtml"), url-prefix("https://addons.mozilla.org"), url-prefix("https://support.mozilla.org"), url-prefix("https://accounts.firefox.com"), url-prefix("view-source"), regexp("^(((jar:)?file:///)|(chrome://)).*/$")
+  @-moz-document url-prefix("about:"), url-prefix("chrome://"), url-prefix("https://addons.mozilla.org"), url-prefix("https://support.mozilla.org"), url-prefix("https://accounts.firefox.com"), url-prefix("view-source"), regexp("^((jar:)?file:///).*/$")
   {
     /*= Default Colors - Hard Coded ==============================================*/
     /* Based on chrome://global/skin/in-content/common.css */
@@ -2938,7 +2938,7 @@
 }
 /** Monospace *****************************************************************/
 @supports -moz-bool-pref("userContent.page.monospace") {
-  @-moz-document url-prefix("about:"), url-prefix("chrome://browser/content/places/places.xhtml"), regexp("^(((jar:)?file:///)|(chrome://)).*/$")
+  @-moz-document url-prefix("about:"), url-prefix("chrome://"), regexp("^((jar:)?file:///).*/$")
   {
     * {
       font-family: -moz-fixed;
diff --git a/src/contents/_monospace.scss b/src/contents/_monospace.scss
index ddd32d8..c8499b2 100644
--- a/src/contents/_monospace.scss
+++ b/src/contents/_monospace.scss
@@ -1,7 +1,7 @@
 @include moz-document(
   url-prefix "about:",
-  url-prefix "chrome://browser/content/places/places.xhtml",
-  regexp "^(((jar:)?file:\/\/\/)|(chrome:\/\/)).*\/$"
+  url-prefix "chrome://",
+  regexp "^((jar:)?file:\/\/\/).*\/$"
 ) {
   @import "../theme/monospace";
 }
diff --git a/src/contents/_proton_color.scss b/src/contents/_proton_color.scss
index 97adcaf..62dfe9c 100644
--- a/src/contents/_proton_color.scss
+++ b/src/contents/_proton_color.scss
@@ -1,11 +1,11 @@
 @include moz-document(
   url-prefix "about:",
-  url-prefix "chrome://browser/content/places/places.xhtml",
+  url-prefix "chrome://",
   url-prefix "https://addons.mozilla.org",
   url-prefix "https://support.mozilla.org",
   url-prefix "https://accounts.firefox.com",
   url-prefix "view-source",
-  regexp "^(((jar:)?file:\/\/\/)|(chrome:\/\/)).*\/$"
+  regexp "^((jar:)?file:\/\/\/).*\/$"
 ) {
   @import "../theme/proton_color";