diff --git a/css/index.css b/css/index.css
index 0037357..04b9fa4 100644
--- a/css/index.css
+++ b/css/index.css
@@ -111,6 +111,7 @@ main {
   padding: 1rem;
   grid-area: content;
   justify-self: center;
+  background: hsla(0, 0%, 10%, 0.6);
 }
 
 main :first-child {