diff --git a/1-exercise-solutions/lesson-05/5e.html b/1-exercise-solutions/lesson-05/5e.html
index 487f6c5..a31be5d 100644
--- a/1-exercise-solutions/lesson-05/5e.html
+++ b/1-exercise-solutions/lesson-05/5e.html
@@ -37,6 +37,8 @@
     border-radius: 30px;
     font-weight: bold;
     cursor: pointer;
+    display: block;
+    margin: auto;
   }
 </style>