Examine source code of hazy orange

{
  "name": "hazy orange",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "orange_fractal-wallpaper-2560x1440.jpg"
    },
    "colors": {
      "frame": "rgba(255, 145, 0, 1)",
      "tab_background_text": "rgba(200, 255, 50, 1)",
      "toolbar": "rgba(100, 50, 0, 1)",
      "bookmark_text": "rgba(200, 255, 50, 1)",
      "toolbar_field": "rgba(200, 255, 50, 1)",
      "toolbar_field_text": "rgba(80, 50, 0, 1)",
      "tab_line": "rgba(128, 255, 128, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e0fdb1ae-db38-4850-86bc-2b8a6174c84c}"
    }
  }
}