WordPress has a few default classes used for things like image alignment, galleries and other html output by core features. This is a combination of the styles found in the default WordPress TwentyEleven theme, and some modifications of my own. Include this snippet with your css to save a bunch of time building your responsive WordPress theme.
I’ll continue to update this Gist as needed for my own use. Feel free to fork it.
[gisted repo=”2271757″ header=”true”]