I have not got the original Mr. Cox's suggestion so I can reply only indirectly. 1. CSS does not have elements, it defines attributes. 2. "active: none" is language abuse, it should be "playback: none" or "active: disabled". Chris
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jonas Sicking Sent: Saturday, October 20, 2007 2:38 AM To: James Cox; whatwg Subject: Re: [whatwg] When to stop <video> elements from playing James Cox wrote: > > On 20 Oct 2007, at 00:31, Robert O'Callahan wrote: > >> After some discussion on IRC, I think Jonas, Hixie and I agreed that >> we're OK with the following approach: >> -- sound is produced for display:none elements and elements not in the >> DOM > > what about people hiding ads or other elements via greasemonkey scripts > (and so on) - using display:none hacks to remove from visibility? If > naming is an issue, how about a new css element of active:none; which > prevents any video/sound/display playing.