diff --git a/public/style.css b/public/style.css
index 28cc402006f7e7b433df1c2d68e6a450b971fe9b..765cc498c6162912f7a05c06a5f817e1a308849e 100644
--- a/public/style.css
+++ b/public/style.css
@@ -23,6 +23,7 @@ body {
 }
 
 .center {
+  display: block;
   margin: 50px auto;
 }