diff --git a/files/assets/css/themes/classic_dark.css b/files/assets/css/themes/classic_dark.css
index 4fe89fe31..0b60f988c 100644
--- a/files/assets/css/themes/classic_dark.css
+++ b/files/assets/css/themes/classic_dark.css
@@ -1,4 +1,5 @@
 :root {
+	color-scheme: dark;
 	--muted: #999;
 	--black: #999;
 	--background: 34, 34, 34;
diff --git a/files/assets/css/themes/dark.css b/files/assets/css/themes/dark.css
index 5b759a743..c0432476e 100644
--- a/files/assets/css/themes/dark.css
+++ b/files/assets/css/themes/dark.css
@@ -1,6 +1,7 @@
 @charset "UTF-8";
 
 :root {
+	color-scheme: dark;
 	--dark: #383838;
 	--secondary: #383838;
 	--white: #E1E1E1;
diff --git a/files/assets/css/themes/dramblr.css b/files/assets/css/themes/dramblr.css
index 708264e80..67e13ad18 100644
--- a/files/assets/css/themes/dramblr.css
+++ b/files/assets/css/themes/dramblr.css
@@ -1,4 +1,5 @@
 :root {
+	color-scheme: dark;
 	--white: #E1E1E1;
 	--black: #94a3b8;
 	--primary: #0284c7;
diff --git a/files/assets/css/themes/midnight.css b/files/assets/css/themes/midnight.css
index a4492fd0b..7e122b81c 100644
--- a/files/assets/css/themes/midnight.css
+++ b/files/assets/css/themes/midnight.css
@@ -1,6 +1,7 @@
 @charset "UTF-8";
 
 :root {
+	color-scheme: dark;
 	--dark: #505961;
 	--secondary: #505961;
 	--white: #c9d1d9;
diff --git a/files/assets/css/themes/tron.css b/files/assets/css/themes/tron.css
index e9cf6ee45..e7bb6c6ed 100644
--- a/files/assets/css/themes/tron.css
+++ b/files/assets/css/themes/tron.css
@@ -146,6 +146,7 @@
   }
 
 :root {
+	color-scheme: dark;
 	--dark: #00001f;
 	--secondary: var(--primary);
 	--white: #f0f0f0;