Hide print.css background, since it looks bad in the appendix during report generation

print.css

@@ -21,7 +21,7 @@ body
 {
 	font-family: sans-serif; /* Serif is awful :( */
 	
-	background: #f3f3f3; /* Don't forget to update the @page one too for pages media */
+	/* background: #f3f3f3; */ /* Don't forget to update the @page one too for pages media */
 	color: #232323;
 }
 
@@ -30,7 +30,7 @@ title { string-set: page-title content(text); }
 /* Special tweaks for paged media (e.g. PDFs) */
 @page {
 	font-family: sans-serif;
-	background: #f3f3f3; /* Set the background colour to cover the whole page */
+	/* background: #f3f3f3; */ /* Set the background colour to cover the whole page */
 	
 	@top-right {
 		content: "By ***REMOVED*** ***REMOVED***";