diff --git a/main.css b/main.css
index ffbfe30..734d47f 100644
--- a/main.css
+++ b/main.css
@@ -1536,7 +1536,7 @@ body {
     animation: pulsate 2s ease-out infinite;
 }
 #mainmenu { 
-	height:0; /* This fixes my background issue - but I'm unsure what it breaks. */
+	height:100vh; 
 }
 .mainmenuclass {
 	display: inherit;