diff --git a/web/tailwind.config.js b/web/tailwind.config.js
index c0826ce..60e00dd 100644
--- a/web/tailwind.config.js
+++ b/web/tailwind.config.js
@@ -7,6 +7,10 @@ module.exports = {
   theme: {
     extend: {},
   },
-  variants: {},
+  variants: {
+    extend: {
+      opacity: ['disabled'],
+    },
+  },
   plugins: [],
 }