Examine source code of Hover - Sonic Colours

{
  "theme": {
    "images": {
      "theme_frame": "header2.PNG"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#fff000"
    }
  },
  "version": "2.0",
  "name": "Hover - Sonic Colours",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/05fb04c7ccf2b50782ce541c8180dc434b41804d8df7cbcb5d644eb7022da811/http%3A//www.sonic-colours.com\" rel=\"nofollow\">www.sonic-colours.com</a>\n<a href=\"https://outgoing.prod.mozaws.net/v1/17585420cd1812db87bf1baec3e48e58447747d0fede556c37e436aa4f90fdc1/http%3A//www.sega.com\" rel=\"nofollow\">www.sega.com</a>\n<a href=\"https://outgoing.prod.mozaws.net/v1/dea4807ce94ef51c26c59bff25408fc0b81c7ac8a7fc6678a27dc0cf5edbb623/http%3A//www.soniccolours.com\" rel=\"nofollow\">www.soniccolours.com</a>"
}