diff --git a/public/assets/css/theme-bthree-dark.css b/public/assets/css/theme-bthree-dark.css
index a37e0a7..8fd05cb 100644
--- a/public/assets/css/theme-bthree-dark.css
+++ b/public/assets/css/theme-bthree-dark.css
@@ -158,7 +158,7 @@
   --color-active: hsla(213, 18%, 90%, .1);
 
   --color-menu: hsl(213, 12%, 21%);
-  --color-card: transparent;
+  --color-card: #202327;
 
   --color-markup-table-row: hsla(0, 0%, 100%, 0);
   --color-markup-code-block: hsla(0, 0%, 100%, 0.1);