Examine source code of Christmas Gifts animated

{
  "name": "Christmas Gifts",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "23c774529515a93be6485e75faeeed36-ezgif.com-resize.gif"
    },
    "colors": {
      "frame": "rgba(19, 23, 48, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 1, 26, 0.43)",
      "toolbar_field": "rgba(0, 49, 64, 0.51)",
      "toolbar_field_text": "rgba(55, 255, 0, 1)",
      "tab_line": "rgba(255, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{778de20a-4c32-41e5-b3a1-ffb3e77b511d}"
    }
  }
}