Examine source code of Win 7-Esque Kotarou

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#c7c7c7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Win 7-Esque Kotarou",
  "manifest_version": 2,
  "description": "I'm making a collection out of this, aren't I?\n\nNext one i'll upload is actually a request from a friend of mine. It's this, but with a black background."
}