Change nav hover effect

sass/style.scss

@@ -152,7 +152,8 @@ body.noscroll {
 				border-left: 1px solid #5D6E81;
 
 				&:hover {
-					color: lighten($col-accent, 25%);
+					color: $col-white;
+					background-color: $col-accent;
 				}
 			}
 		}