Examine source code of Doodle Hearts

{
  "theme": {
    "images": {
      "theme_frame": "heartdoodles.jpg"
    },
    "colors": {
      "frame": "#ff0000",
      "tab_background_text": "#0004ff"
    }
  },
  "version": "2.0",
  "name": "Doodle Hearts",
  "manifest_version": 2,
  "description": "A perfect skin for girls who love to draw doodles on their homework papers... and then forget about them when they turn it in... whoops! ^_^ lol"
}