diff --git a/public/index.html b/public/index.html
index e05b28a..57e6b27 100644
--- a/public/index.html
+++ b/public/index.html
@@ -49,6 +49,7 @@
        background-color: #3333ff;
        max-width: 500px;
        min-height: 600px;
+       margin: 0 auto;
      }
 
      .objstring {