Examine source code of animated storefront

{
  "name": "storefront",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "ezgif-2-3d4fad404d.gif"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(9, 54, 76, 1)",
      "toolbar": "rgba(50, 189, 235, 0.2)",
      "bookmark_text": "rgba(9, 54, 76, 1)",
      "toolbar_field": "rgba(49, 193, 233, 1)",
      "toolbar_field_text": "rgba(199, 227, 233, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dca941d7-d772-492d-8460-b5c6cfed3cc2}"
    }
  }
}