I just found a nice resource to customize chrome:

• https://www.chromeplugins.org/

Currently, it looks like a bit BETA like the browser itself, but there are already some nice tips and tricks on the site and especially this one is really interesting:

• https://www.chromeplugins.org/tips-tricks/google-chrome-shortcuts/

A nice collection of themes for chrome could be found under:

• https://www.freechromethemes.com/