added new background + fixed red color

public/css/Root.css

@@ -2,7 +2,7 @@
 
 :root {
     /* Red Color Scheme from 404 page */
-    --primary-red: #e53935;
+    --primary-red: #DA4241;
     --dark-red: #c62828;
     --light-red: #ff5252;
     --accent-red: #ff8a80;