diff --git a/styles/substack/catppuccin.user.css b/styles/substack/catppuccin.user.css
index 010bb4a..47a317b 100644
--- a/styles/substack/catppuccin.user.css
+++ b/styles/substack/catppuccin.user.css
@@ -97,6 +97,7 @@
       --color_theme_bg_contrast_3: @surface1;
       --color_theme_bg_contrast_4: mix(@surface1, @surface2, 50%);
       --color_theme_bg_contrast_5: @surface2;
+      --color_theme_bg_contrast_1: unset;
 
       // used for podcast play controls
       --color_theme_bg_pop_rgb: #rgbify(@accent) [];