Examine source code of You are a beaver

{
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "#85a0b9",
      "tab_background_text": "#85a0b9"
    }
  },
  "version": "2.0",
  "name": "You are a beaver",
  "manifest_version": 2,
  "description": "Random quote, makes people laugh."
}