An Atom theme for a more native experience on OS X 10.10 Yosemite
From the command line:
$ apm install yosemite-unity-uiAlternatively, open Atom Preferences, select Themes > Search for yosemite,
then Install.
Activate the theme by selecting the Themes section of Preferences.
If you wish to replace the official Atom Icon with the following Atom-Yosemite-Icon designed by Rory McCawl just follow these steps.
Locate your installed Atom App, typically in Appications, then right click on the file and go to 'Get Info'
Drag the new icon file to the top right of the 'Get Info' pane to replace the exsiting icon
