Examine source code of Project Puffin

{
  "theme": {
    "images": {
      "theme_frame": "ProjectPuffin_Firefox_Header.jpg"
    },
    "colors": {
      "frame": "#fafab9",
      "tab_background_text": "#060d6b"
    }
  },
  "version": "2.0",
  "name": "Project Puffin",
  "manifest_version": 2,
  "description": "National Audubon Society's Project Puffin and Director, Dr. Steve Kress."
}