diff --git a/sass/screen.scss b/sass/screen.scss
index cbf25ba..2068698 100644
--- a/sass/screen.scss
+++ b/sass/screen.scss
@@ -24,6 +24,8 @@
     left: 50%;
     transform: translateX(-50%);
 
+    overflow-y: auto;
+
     .md-content {
         text-align: left;
     }