Introduction A few years ago, Html 5 still wasn’t very well supported by most popular browsers so Web sites were created mostly with XHtml or Html4. I still have a folder on my machine filled with Html templates for both XTML and Html 4. Inside of it there are also templates for newsletters, micro-sites, responsive templates and whatnot. All of them were built by taking code from 2 or 3 different templates and look like Frankenstein’s code monster....Introduction # A few years ago, HTML 5 still wasn’t very well supported...by most popular browsers so web sites were created mostly with...