CSS Lint
Errors (All) | (None) Beware of broken box sizing Require properties appropriate for display Disallow duplicate properties Disallow empty rules Require use of known properties Compatibility (All) | (None) Disallow adjoining classes Disallow box-sizing Require compatible vendor prefixes Require all gradient definitions Disallow negative text-indent Require standard property with vendor prefix Requi
Colour Contrast Check - snook.ca
Description The Colour Contrast Check Tool allows to specify a foreground and a background colour and determine if they provide enough of a contrast "when viewed by someone having color deficits or when viewed on a black and white screen"[W3C]. The tool will indicate that the colours pass the test if both the colour difference and the brightness difference exceed their threshold. It will indicate
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