If you want it to load the css/images, click the shield icon on the right side of the address bar and click the load button.
fixed - you guys are fast...
Wait. Since when has HN had https?
A very long time, AKA long enough that I can't remember how long ago it was when I updated my bookmarks to use https by default.
I can remember a number of times that people would complain that HN wasn't https / didn't have a certificate. Heh. Didn't realize that it was changed at some point.
Why did it take so long to support comment with https though?
I think this was in response to comments not working on the http (insecure) protocol.