Examine source code of Abstract blue ball

{
  "theme": {
    "images": {
      "theme_frame": "hdwallpapers.eu.jpg"
    },
    "colors": {
      "frame": "#ff0000",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Abstract blue ball",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/1c17ffe51a1ddef0bf1ffc3d726e9c866e1f2cd55e745e53b2d778da3eeeb543/http%3A//www.HDwallpapers.eu\" rel=\"nofollow\">www.HDwallpapers.eu</a>"
}