Re: CSS3 Validation Service

> On 11 May 2016, at 10:35, David Dorward <david@dorward.me.uk> wrote:
> 
> On 11 May 2016, at 5:43, Suriya N wrote:
> 
> I have been trying to check the conformity of some CSS3 stylesheets
> and I believe the W3C CSS validator must be a little out of date since
> using valid mark-up for the CSS3 animation property returns "Property
> animation doesn't exist" even though it is implemented in Firefox 5+,
> Chrome, Safari and Opera with -moz-, -webkit-, -webkit- and -o-
> prefixed respectively.
> 
> Similarly, using valid markup for the @keyframes property returns
> "Sorry, the at-rule @keyframes is not implemented." even though it is
> implemented in Firefox 4+, Chrome, Safari and Opera with -moz-,
> -webkit-, -webkit- and -o- prefixed respectively.
> 
> Given valid CSS using animation and @keyframes, my test case is marked a valid by the CSS validation service.
> 
> It sounds like you expect experimental, prefixed, vendor specific implementations to be valid CSS. They are not.

Or that a non-official CSS validator was used.
For the record, the only official one is at https://jigsaw.w3.org/css-validator/
HTH,

--
Baroula que barouleras, au tiéu toujou t'entourneras.

        ~~Yves