Examine source code of WithYou

{
  "theme": {
    "images": {
      "theme_frame": "IAmDevilinyourarmsflc3.jpg"
    },
    "colors": {
      "frame": "#77578a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "WithYou",
  "manifest_version": 2,
  "description": "I just love this picture.... <a href=\"https://outgoing.prod.mozaws.net/v1/4fafc9741678cda469628d3857a1144c982081620d3ce166ac1621688941567c/http%3A//www.pandabaka.deviantart.com\" rel=\"nofollow\">www.pandabaka.deviantart.com</a>"
}