Back when Netscape 0.9 was new I had daily arguments with some of the "web designers" who insisted on using HTML targeting browser bugs and other invalid HTML tricks to optimize the aesthetics of their sites.
All you needed to do then, and today, is make sure your HTML is valid and that you don't break things on purpose ("this site optimized for MSIE1.0" type of stuff) and your site will forever be mobile and any-other-html-rendering device friendly.
All you needed to do then, and today, is make sure your HTML is valid and that you don't break things on purpose ("this site optimized for MSIE1.0" type of stuff) and your site will forever be mobile and any-other-html-rendering device friendly.