diff --git a/uebung10/quiz.html b/uebung10/quiz.html
index 3d45d8b..7d691b4 100644
--- a/uebung10/quiz.html
+++ b/uebung10/quiz.html
@@ -6,7 +6,7 @@
       display: none;
   }
   .button {
-  		background-color: #e7e7e7; /* Green */
+  		background-color: #555555; 
   		border: none;
   		color: white;
   		padding: 15px 32px;