GoogleChrome/devtools-docs — pull request #115 by pearlchen (2014-06-24 01:29:00+00:00)
Title: Add doctype to preview template

Adding because I was getting the browser user agent styles applied instead of the DCC styles over in /multidevice.

StackOverflow: http://stackoverflow.com/questions/11348727/why-does-user-agent-stylesheet-override-my-styles

Who knows what other formatting issues it may be causing.