Playing with media queries for my blog on different devices

This is the main stuff. This is the main stuff. This is the main stuff. This is the main stuff. This is the main stuff. This is the main stuff. This is the main stuff.

Blah

The side pane which will appear on a bog-standard desktop screen, around 1000px wide say. The quick brown fox jumped over the lazy dog.

And tweets will only appear on very wide screens