fixed the horizontal padding
fixed the horizontal padding

https://github.com/awkward/misc-dev/issues/275

- [x]Text should indent consistently, and not wrap around the arrows or icons (https://cl.ly/2w3l0F3O2m19)
- [x] Space between items in the list could be reduced (https://cl.ly/1I3C3M2J1O0r).
- [x] The padding on nested list items could be reduced slightly to make more horizontal room available for the page titles.
- [ ]Vertical divider does not appear to go all the way to the bottom of the list (https://cl.ly/122P153p2A2D)

dcos/dcos-website,dcos/dcos-website,dcos/dcos-website,dcos/dcos-website