Examine source code of Boredom

{
  "theme": {
    "images": {
      "theme_frame": "boredom.jpg"
    },
    "colors": {
      "frame": "#802929",
      "tab_background_text": "#2310cc"
    }
  },
  "version": "2.0",
  "name": "Boredom",
  "manifest_version": 2,
  "description": "bored with paint"
}