Left hand cards tweaks

- [fixed] Align border with the top of the related paragraph
- [new] Use colours from our panel (`#333` - `$neutral1` instead of `#444`)
- [other] Sass file is more readable

## Before

![screen shot 2013-10-07 at 11 35 40](https://f.cloud.github.com/assets/85783/1279656/dcb949b6-2f3c-11e3-9857-3d750b82636e.PNG)


## After

![screen shot 2013-10-07 at 11 38 56](https://f.cloud.github.com/assets/85783/1279657/e0e620c2-2f3c-11e3-9104-e61f6b4cfcbd.PNG)

![ ](http://s2.developerslife.ru/public/images/gifs/a292daf2-6697-48cc-9fcc-71e44374190c.gif)