Responsive design was listed as #2 in Top Web Design Trends for 2012 by magazine after progressive enhancement at #1. Mashable called 2013 the Year of Responsive Web Design. Many other sources have recommended responsive design as a cost-effective alternative to mobile applications. Button styles are applied to a number of appropriate form elements, but can also be arbitrarily attached to anchors with a .button class. Google recommends 2 the following when it comes to font and responsive design: Use a base font size of 16 CSS pixels. Check out our web inliner → Ten Templates to Get You Started Faster. The tools in this section will help you create great emails and turn you into a lean, mean email machine.