diff --git a/src/index.css b/src/index.css
index 4841c99..1570a75 100644
--- a/src/index.css
+++ b/src/index.css
@@ -37,7 +37,7 @@ button:focus {
 }
 
 button[disabled] {
-  opacity: 0.5;
+  opacity: 0.35;
   cursor: initial;
 }