diff --git a/curriculum/challenges/english/14-responsive-web-design-22/learn-responsive-web-design-by-building-a-piano/612ec29c84b9a6718b1f5cec.md b/curriculum/challenges/english/14-responsive-web-design-22/learn-responsive-web-design-by-building-a-piano/612ec29c84b9a6718b1f5cec.md
index 0b736cbc53..190d2eca0d 100644
--- a/curriculum/challenges/english/14-responsive-web-design-22/learn-responsive-web-design-by-building-a-piano/612ec29c84b9a6718b1f5cec.md
+++ b/curriculum/challenges/english/14-responsive-web-design-22/learn-responsive-web-design-by-building-a-piano/612ec29c84b9a6718b1f5cec.md
@@ -146,7 +146,7 @@ html {
 
 @media (max-width: 768px) {
   #piano {
-    width: 335px;
+    width: 358px;
   }
 
   .keys {