Examine source code of Solar by Elusive

{
  "theme": {
    "images": {
      "theme_frame": "solartop.png"
    },
    "colors": {
      "frame": "#999999",
      "tab_background_text": "#330000"
    }
  },
  "version": "2.0",
  "name": "Solar by Elusive",
  "manifest_version": 2,
  "description": "Image by Elusive, <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/83744fc860a7c49d4142f10cdce3e4fe27239f8d94cdffa1a8c21d2d9299a9e0/http%3A//elusive.deviantart.com\">http://elusive.deviantart.com</a>"
}