Tighten up style for footer + progress

Note some of this isn't totally to spec but that's because we don't want scrolling to be necessary on pin entry. Having done that the rest is updated for consistency.


From this:
Fixup padding.
![web_pay-2](https://f.cloud.github.com/assets/1514/1274763/5f3cc26e-2dcb-11e3-9013-5f978acccc38.png)

To this:
![web_pay](https://f.cloud.github.com/assets/1514/1275444/f33c962e-2dfd-11e3-85c9-c4c776cf42fa.png)

And this:

![web_pay-2](https://f.cloud.github.com/assets/1514/1274767/adb0d5de-2dcb-11e3-8d2c-e5ad4a1facea.png)

To this:

![web_pay-2](https://f.cloud.github.com/assets/1514/1274768/b70c3060-2dcb-11e3-9500-e14771ed2679.png)

And this:

![web_pay-2](https://f.cloud.github.com/assets/1514/1274776/2f94b50c-2dcc-11e3-9978-e8f3851acc58.png)

To this:

![web_pay](https://f.cloud.github.com/assets/1514/1275475/9f0d5d10-2e00-11e3-97f4-348baa729866.png)