diff --git a/components/lib/tailwind/Tailwind.js b/components/lib/tailwind/Tailwind.js
index 1df4c9dd3..fdadabe70 100644
--- a/components/lib/tailwind/Tailwind.js
+++ b/components/lib/tailwind/Tailwind.js
@@ -1886,7 +1886,8 @@ export default {
         }
     },
     blockui: {
-        root: 'relative'
+        root: 'relative',
+        mask: 'bg-black/40'
     },
 
     //MENU