Examine source code of PowerPoint Fire

{
  "name": "PowerPoint Fire",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Orange.jpg"
    },
    "colors": {
      "frame": "rgba(255, 242, 235, 1)",
      "tab_background_text": "rgba(163, 56, 2, 1)",
      "toolbar": "rgba(191, 57, 0, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(166, 57, 2, 1)",
      "tab_line": "rgba(191, 57, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7562b928-e75e-4c83-b1e5-2beb46726ae0}"
    }
  }
}