My Site Shrinks When Deployed to Heroku

Check it out, in this quick video I toggle between my localhost copy and the deployed app on Heroku: http://screencast.com/t/oD6SLXHg99k

Obviously both are in the same br开发者_如何学Goowser. Why would this happen?

---

Are you sure you did not change the zoom with Ctrl+ or Ctrl- at some point in time and your browser remembered it? Try Ctrl0 to reset it.