On Win10 / Firefox the "variant" selector does not appear for me, I'm not sure why yet. I don't have any errors in the console.
I can see it just fine on Win10 / Chrome, macOS / Safari, and macOS / Firefox. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/dfe730fb-b3a5-4e94-badb-875749324362%40googlegroups.com.