17540 2012-06-19 06:40:03 +0000 dialog::backdrop is not spec'd 2012-06-20 03:30:31 +0000 1 1 1 Unclassified HTML WG HTML5 spec unspecified All All RESOLVED WORKSFORME P2 normal --- 1 falken ian eoconnor kennyluck mike public-html-admin public-html-wg-issue-tracking public-html-bugzilla oldest_to_newest 69216 0 falken 2012-06-19 06:40:03 +0000 The UA style sheet for dialog includes [1]: dialog::backdrop { background: rgba(0,0,0,0.1); } But backdrop is not mentioned in the spec. [1] http://dev.w3.org/html5/spec/rendering.html#flow-content-1 69252 1 eoconnor 2012-06-19 19:31:51 +0000 It's defined in the Fullscreen spec: http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#::backdrop-pseudo-element 69253 2 kennyluck 2012-06-19 19:34:26 +0000 (In reply to comment #1) > It's defined in the Fullscreen spec: > http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#::backdrop-pseudo-element I think what comment 0 is saying is that every declaration of the default UA stylesheet should be in the rendering section, which makes sense. 69267 3 falken 2012-06-20 03:30:31 +0000 Sorry if I wasn't clear in comment 0. I didn't realize backdrop was defined in the Fullscreen spec, so I'm OK with the WORKSFORME resolution.