diff --git a/css/main_dark.css b/css/main_dark.css
index 06de635..e2702ac 100644
--- a/css/main_dark.css
+++ b/css/main_dark.css
@@ -1,7 +1,8 @@
 /* Dark theme */
 
-body {
+html {
   filter: invert(90%);
+  background-color: rgba(10, 10, 10, 0.9);
 }
 
 img:not(.icon), video, div.video-container {