Examine source code of Peekaboo

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#080808",
      "tab_background_text": "#14d1ae"
    }
  },
  "version": "2.0",
  "name": "Peekaboo",
  "manifest_version": 2,
  "description": "Peekaboo is a little bat that was rescued and now lives a happy life at the Bat World Sanctuary in Texas. He says Hello every morning to his fans on Facebook!"
}