Examine source code of Scott Pilgrim 2

{
  "theme": {
    "images": {
      "theme_frame": "tmpphpbB2Ofl.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#00a669"
    }
  },
  "version": "2.0",
  "name": "Scott Pilgrim 2",
  "manifest_version": 2,
  "description": "This is an edited version of the last one I put up."
}