Examine source code of Splasshed

{
  "theme": {
    "images": {
      "theme_frame": "004_top.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#a6eff7"
    }
  },
  "version": "2.0",
  "name": "Splasshed",
  "manifest_version": 2,
  "description": "Based on a free texture by <a href=\"https://outgoing.prod.mozaws.net/v1/0cb7f4e3bb6a6c4aec93a0fa98063c73173291290bd044ce9df17d1647087fb2/http%3A//celestial-star.net\" rel=\"nofollow\">http://celestial-star.net</a>"
}