Hot answers tagged css
Accessibility. Focus state tells keyboard users where their cursor currently is on the page. By just visually looking at a form with a focus state on a radio button I would instantly know that if I press tab then I will move from this field to the next. Without the focus state you won't have any visual indication of where they are on the page. Now, ...
Referring to the comments on your questions, I disagree with your assessment (that putting messages below fields is bad for usability), and think that @timster is on the money. Put the error message below the inputs, or use encapsulated flags This is arguably more conventional than putting them above. This question What is best practice for designing form ...
The closest things I've seen are WinJS (http://www.buildwinjs.com/) and Metro UI (http://metroui.org.ua/) Be sure to check out all of the examples for both projects.
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