diff --git a/lightning/src/root.css b/lightning/src/root.css
index 9fe3412..da8585a 100644
--- a/lightning/src/root.css
+++ b/lightning/src/root.css
@@ -1,4 +1,5 @@
 body {
+    background-color: #4C5270;
   font-family: Gordita, Roboto, Oxygen, Ubuntu, Cantarell,
     'Open Sans', 'Helvetica Neue', sans-serif;
     max-width: 300px;