Examine source code of Through a Dark Forest

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#080707",
      "tab_background_text": "#f5f2f2"
    }
  },
  "version": "2.0",
  "name": "Through a Dark Forest",
  "manifest_version": 2,
  "description": "A dark forest with the sun peeking though and lightening bits here and there. Designed and created by Creative Expressions Art. Copyright Sept. 2013."
}