Examine source code of DEUTAG

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0f0236",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "DEUTAG",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/0e924a2bdce242dcecf1116c6f3a81a31c423513539b5e864005dfff72151ef3/http%3A//www.deutag.de\">www.deutag.de</a>"
}