OK, when I paste your code into a new tiddler on TiddlyWiki.com I get a red circle followed by a green square.
If I take the style and put it in a tiddler tagged "$:/tags/Stylesheet. I get a red circle followed by a green square. Same thing with the code in a web page. So I'm not sure what you're looking for -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To post to this group, send email to tiddlywiki@googlegroups.com. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/3f2046c6-fa9f-4d80-9783-7a398f91445c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.