improve lightable's look on add_header_above/group_rows
improve documentation
diff --git a/man/kable_classic.Rd b/man/kable_classic.Rd
index 787d44e..65fc159 100644
--- a/man/kable_classic.Rd
+++ b/man/kable_classic.Rd
@@ -26,7 +26,7 @@
 kable_minimal(
   kable_input,
   lightable_options = "basic",
-  html_font = "calibri, cambria, \\"Source Sans Pro\\", sans-serif",
+  html_font = "\\"Trebuchet MS\\", verdana, calibri, sans-serif",
   ...
 )