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The most accurate sensor is user preference.
Just corrected the kerning on my son’s bath tub letters. I hope nobody saw that.
A comprehensive set of media query tests including checks for vendor prefixes by @ppk — http://www.quirksmode.org/css/tests/mediaqueries/ …
Tip: Highlight an element in Chrome’s Web Inspector, hold Ctrl/Cmd & press up or down to move the element in the document order accordingly
Media Queries Level 4 has a luminosity media feature to set style rules for a user’s environmental lighting — http://dev.w3.org/csswg/mediaqueries4/#luminosity …
Responsive web design & mobile first enthusiast. Media inventor, content choreographer, ex @typecastapp, now @eyekiller. Contributor for @smashingmag & @netmag.