27884 2015-01-23 01:43:52 +0000 Useful content pseudo-element selectors are not valid 2015-01-23 01:43:52 +0000 1 1 1 Unclassified CSS CSS Scoping unspecified PC All NEW http://drafts.csswg.org/css-scoping/#content-combinator P2 normal --- 1 wchen jackalmage public-css-bugzilla oldest_to_newest 117448 0 wchen 2015-01-23 01:43:52 +0000 According to the grammar (http://www.w3.org/TR/selectors/#grammar): /* Note that pseudo-elements are restricted to one per selector and */ /* occur only in the last simple_selector_sequence. */ The ::content pseudo-element isn't meaningful when it's the last simple selector and it should be allowed to show up more than once per selector. http://drafts.csswg.org/css-scoping/#content-combinator