Examine source code of webing.gr

{
  "theme": {
    "images": {
      "theme_frame": "firefox_3000x200.png"
    },
    "colors": {
      "frame": "#bababa",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "webing.gr",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/38db89c57709b9f7536a77b19033fa924a2a303331acfe47d716d93585c4c175/http%3A//webing.gr\" rel=\"nofollow\">webing.gr</a>"
}