Examine source code of Goblins

{
  "theme": {
    "images": {
      "theme_frame": "goblins_persona_final.jpg"
    },
    "colors": {
      "frame": "#8f8f8f",
      "tab_background_text": "#33e817"
    }
  },
  "version": "2.0",
  "name": "Goblins",
  "manifest_version": 2,
  "description": "From the webcomic Goblins by Tarol Hunt. Give it a read at <a href=\"https://outgoing.prod.mozaws.net/v1/32bd99b58281f21dd78386a62a1a49ee713cead2c73cf01973b01edd04f459b4/http%3A//goblins.keenspot.com/\" rel=\"nofollow\">http://goblins.keenspot.com/</a> or you are missing out."
}