fix(youtube): top bar header (catppuccin#1267)

Author: Thomas-Philippot

styles/youtube/catppuccin.user.css

@@ -2,7 +2,7 @@
 @name YouTube Catppuccin
 @namespace github.com/catppuccin/userstyles/styles/youtube
 @homepageURL https://github.com/catppuccin/userstyles/tree/main/styles/youtube
-@version 4.2.3
+@version 4.2.4
 @updateURL https://github.com/catppuccin/userstyles/raw/main/styles/youtube/catppuccin.user.css
 @supportURL https://github.com/catppuccin/userstyles/issues?q=is%3Aopen+is%3Aissue+label%3Ayoutube
 @description Soothing pastel theme for YouTube
@@ -415,6 +415,10 @@
       --iron-icon-fill-color: @text !important;
     }
 
+    #background.ytd-masthead {
+      --yt-frosted-glass-desktop: @base !important;
+    }
+
     ytd-feed-filter-chip-bar-renderer[expand-instead-of-scroll]
       #chips-wrapper.ytd-feed-filter-chip-bar-renderer {
       --iron-icon-fill-color: @text !important;