HTML5 Rocks has a whole new look
html5rocks.com
html5rocks.com
The "Try this" demos on this page show features that Firefox supports, yet they only have "-webkit" prefixed styles so they don't work.
Is the page out of date? Many of the features have been supported since Firefox 4 according to their own browser support chart.
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Then you can shoot the whole site down.
Something is trying to be really fancy on the page, but I'm not sure it's worth a 200ms browser-paint event every step of a mouse scroll.
At least, this time, it mostly works in prominent mobile-browsers.
The old standard which was implemented in previous versions of chrome and IE10 beta is here: http://www.w3.org/TR/2009/WD-css3-flexbox-20090723/
Lastly there is a unrelated display: box implemented by mozilla for XUL which is often confused with the flexbox standards but behaves in some weird ways. Ssee here: http://csscurmudgeon.com/2011/11/flexbox-sucks/
Now we have an HTML5 advocacy site which is openly suggesting that people use the old webkit implementation and the unrelated mozilla spec based on XUL.
If anything, use the version in Chrome 17, its far better both in terms of property names and the flex() function.
The site has great content. The new design makes it too hard to read.
However, on closer inspection it looks like they've just tried to copy Windows Phone. There's the obvious big bold tiles, a generic enough idea that I wouldn't completely attribute it to Metro. However it starts to get suspiciously similar when you compare the mobile link in the top right of html5rocks with the more apps arrow to the right of WP7 start screen: http://upload.wikimedia.org/wikipedia/en/5/55/Windows_Phone_...