Examine source code of The amplified octopus

{
  "theme": {
    "images": {
      "theme_frame": "Amplifier_The-Octopus.png"
    },
    "colors": {
      "frame": "#414141",
      "tab_background_text": "#ececec"
    }
  },
  "version": "2.0",
  "name": "The amplified octopus",
  "manifest_version": 2,
  "description": "Based on the logo of \"The Octopus\" album made by Amplifier. See <a href=\"https://outgoing.prod.mozaws.net/v1/ddcdc66d89453774cb57a6ec71c9de51011cbc08274444784aa32f55c4ad6629/http%3A//www.theoctopus.info\" rel=\"nofollow\">http://www.theoctopus.info</a>"
}