Open c9s opened 9 years ago
https://developer.mozilla.org/en-US/docs/Web/CSS/@supports
W3C: http://dev.w3.org/csswg/css-conditional-3/#at-supports
https://developer.mozilla.org/en-US/docs/Web/CSS/@supports
W3C: http://dev.w3.org/csswg/css-conditional-3/#at-supports