Development is cheap when the backward compatibility target is IE10. You can safely ignore any CSS fanciness from post-2010. This is still useful for web desig

Development is cheap when the backward compatibility target is IE10. You can safely ignore any CSS fanciness from post-2010. This is still useful for web designers, even if it doesn't make it into a business website (most websites are created to sell something and target the lowest common denominator browser-wise).