1.) What are the advantages of having reset.css or normalize... against of coding without it? Which one (reset.css or normalize) is better?
2.)As I know the conditional statements <![if lt IE 8]> are deprecated since IE10.
Please update the video.
3.)I've listened to a webinar from Jonathan Stark on Responsive ... and he said he changed all px to em in media queries. Can You comment that? Is that a must do? What are pros and cons of using em instead of px|pt - for fonts, media queries, widths and heights?
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Thanks so much for your interest in the video Responsive web design. This video is published by Infinite Skills, and I would be happy to help you, but since this is not published by O'Reilly you will have to reach out to Infinite Skills for assistance. Infinite Skills can be reached here: https://www.infiniteskills.com/contac....