Add podcast tone

![screen shot 2014-09-25 at 17 18 38](https://cloud.githubusercontent.com/assets/1001642/4408007/b30b5e66-44cf-11e4-809d-a6fd49deca5d.png)

I'd have gone for a lovely shade of neon green, personally ... 
Already have a global rule for those:

```scss
a:hover:after, a:focus:after {
  background-image: url('doge.jpg');
  width: 1000px;
  height: 1000px;
}
```