Examine source code of cool arctic monkeys

{
  "theme": {
    "images": {
      "theme_frame": "arctic_header.jpg"
    },
    "colors": {
      "frame": "#de6910",
      "tab_background_text": "#de8e0d"
    }
  },
  "version": "2.0",
  "name": "cool arctic monkeys",
  "manifest_version": 2,
  "description": "header"
}