Examine source code of Spoopy SCary

{
  "name": "Ghastly",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "3b478efd197eeccd3cd42bf53de5617f.jpg"
    },
    "colors": {
      "frame": "rgba(245, 167, 12, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(245, 167, 12, 1)",
      "bookmark_text": "rgba(247, 242, 242, 1)",
      "toolbar_field": "rgba(255, 163, 5, 1)",
      "toolbar_field_text": "rgba(247, 237, 237, 1)",
      "tab_line": "rgba(245, 237, 237, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6fe59cd-6d7c-451f-8fee-ee72680803d6}"
    }
  }
}