Examine source code of Scream (Animated)

{
  "name": "Scream (Animated)",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "oie_eEKmPFDWVcUw.gif"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 0.18)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.25)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 0.13)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{462fc10d-17e0-4729-8ae0-440a0e2fdd17}"
    }
  }
}