I have been hacking at this theme since 7 a.m. this morning (It’s now 11:00 p.m.) and have just begun messing with media querys, today. I have a flexible grid layout and it responds to the viewport of my phone, but I cannot get the right sidebar to shove under the main content on smaller screen.
The content is floated left, sidebar floated right, and the footer is set to clear both.