Examine source code of It Ends With Us

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#dbd2bf",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "It Ends With Us",
  "manifest_version": 2,
  "description": "Design created using the cover art for the book It Ends With Us by Colleen Hoover.\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/ff4dab17f674e33b67eea62ad9587adfbe067259ddc57de973f4a51fd126ea27/https%3A//www.colleenhoover.com/portfolio/it-ends-with-us/\">https://www.colleenhoover.com/portfolio/it-ends-with-us/</a>\n\nStock credit: Pete Bresser\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a8f8f178aac4e1e95d1c5140459f3c831b19bdd61437de6d115685ef239b345f/http%3A//www.freeimages.com/photographer/pbresser-47949\">http://www.freeimages.com/photographer/pbresser-47949</a>\n\n\n#CoHo"
}