Examine source code of Native American Choker

{
  "name": "Native American Choker",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "NAChockerH2A.jpg"
    },
    "colors": {
      "frame": "rgba(196, 132, 53, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(201, 146, 70, 0.04)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(204, 151, 71, 0.11)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{70efc47f-b937-439c-9b1d-1c3c64ef8e09}"
    }
  }
}