Examine source code of Tiny Purple Flowers

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#2e2e2e",
      "tab_background_text": "#ece5ff"
    }
  },
  "version": "2.0",
  "name": "Tiny Purple Flowers",
  "manifest_version": 2,
  "description": "Stock credit: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/f4b60144acd74b1811d4cb9bc72a9b74122c31ec18c4692cb17ebf4fa5246b12/https%3A//pixabay.com/en/users/congerdesign-509903/\">congerdesign\n</a>"
}