I\'m working in rails 3.2 and I receive an error when I try to push to heroku:
git push heroku master
Counting objects: 496, done.
Delta compression using u
You might also want to check for Heroku telling you there's a typo in your CSS file.
Read through the long boring messages in the terminal closely after you push. There may be something like this: Invalid CSS after. It means Heroku has found a typo and you need to fix it in the CSS file.
You can do a find for rake aborted! and directly after that it should say why the push failed.