Home page

[gichiba]

This is a list of all changes and things for the home page:

• [x] Rethink design of hero text
• [ ] Add real locations of fellows to map
• [ ] Tweak the heashots and label of the map to be a little bigger and to crop headshots instead of stretch.
• [x] tweak font sizes for the different sections (and update site-wide)

### Tasks

[gichiba]

• [x] Change devcon image
• [x] Add tree to home page; smooth out the seams from top to bottom
• [x] @corwintines to make the links work for blogposts
• [x] Window sizing bugs with earth and hero (needs to stay constrained to the center)