build responsive sites with css viewport percentage lengths and test them with goog mobile tester

build responsive sites with css viewport percentage lengths

• https://medium.com/@ryanallen_com/responsive-type-with-only-css-82b846370cc9
• http://codepen.io/wossname/pen/raVezv
• http://codepen.io/wossname/pen/QwbMBb/

test them with goog mobile tester

• https://medium.com/@ryanallen_com/google-may-penalize-non-mobile-friendly-sites-a8fa7c1fab0b
• https://www.google.com/webmasters/tools/mobile-friendly/