diff --git a/uebung10/quiz.html b/uebung10/quiz.html
index edb2c34..d615996 100644
--- a/uebung10/quiz.html
+++ b/uebung10/quiz.html
@@ -5,6 +5,16 @@
   #screen1, #screen2, #screen3 {
       display: none;
   }
+  .button {
+  		background-color: #e7e7e7; /* Green */
+  		border: none;
+  		color: white;
+  		padding: 15px 32px;
+  		text-align: center;
+  		text-decoration: none;
+  		display: inline-block;
+  		font-size: 16px;
+}
 
 </style>