Examine source code of Ocean Whales

{
  "theme": {
    "images": {
      "theme_frame": "whalestopnewcopy.png"
    },
    "colors": {
      "frame": "#255c69",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ocean Whales",
  "manifest_version": 2,
  "description": "Beautiful Ocean Persona with Whales \nby <a href=\"https://outgoing.prod.mozaws.net/v1/4aa9c7d92a965097f37e85750c14d4e53a2bfea2284649893baf9c9b96b257ad/http%3A//www.benjam.eu\" rel=\"nofollow\">www.benjam.eu</a>"
}