Styles.less


#1

Need the theme the tree view on atom…
background
color
ect


#2

You can use dev tools (like in Chrome) to inspect anything.


#3

Complimenting the notes already given ->
https://flight-manual.atom.io/hacking-atom/sections/creating-a-theme/

Added ~ consider having a look at how other people did it.
…as random example:

…or searching in the listings:
https://atom.io/themes/search?page=20&q=UI