Examine source code of Fall Fairy

{
  "name": "Fall Fairy",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Fall Fairy.png"
    },
    "colors": {
      "frame": "rgba(160, 75, 21, 1)",
      "tab_background_text": "rgba(255, 227, 87, 1)",
      "toolbar": "rgba(130, 125, 107, 0.53)",
      "toolbar_field": "rgba(130, 125, 107, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{57b45c8f-41ee-459f-8464-3a240aaf71ee}"
    }
  }
}