fix CSS bug in timesheet template

Author: clstaudt

templates/timesheet-anvil/web/modern-normalize.css

@@ -59,7 +59,7 @@ body {
 		Roboto,
 		Helvetica,
 		Arial,
-		sans-serif,
+		sans-serif;
 		/* 'Apple Color Emoji',
 		'Segoe UI Emoji'; */
 }