diff --git a/app.css b/app.css
index 2de5bf1..911ec74 100644
--- a/app.css
+++ b/app.css
@@ -9,11 +9,13 @@ body {
     font-family: Arial;
     display: flex;
     justify-content: center;
+	background:black;
+	color: white;
     align-items: center;
 }
 
 body.running {
-    background: lightgreen;
+    background: darkgreen;
 }
 
 main {