Below is an answer to your support question regarding "Inline CSS in journal comments using the style="" attribute"
(http://www.livejournal.com/support/see_request.bml?id=1173954).
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Thank you for your report. The HTML permitted in comments was recently changed to prevent automated spam accounts from exploiting these HTML tags. If you would like to start a discussion about the tags permitted in comments, you are welcome to do so by submitting a suggestion to the official Suggestions community. The procedure for submitting a suggestion is described here: [http://www.livejournal.com/support/faqbrowse.bml?faqid=164].
So, apparently I'll be arguing the literary merits of RP and hyperfiction when I have enough brain to form a post about it.
ETA: I've written out a post and submitted it to the Suggestions box. I'll let people know if/when it gets through the moderation queue.