Examine source code of One Direction colors

{
  "theme": {
    "images": {
      "theme_frame": "header_firefox.jpg"
    },
    "colors": {
      "frame": "#218f13",
      "tab_background_text": "#352482"
    }
  },
  "version": "2.0",
  "name": "One Direction colors",
  "manifest_version": 2,
  "description": "just some 1D stuffzzzz"
}