Examine source code of m-w2.de light

{
  "theme": {
    "images": {
      "theme_frame": "test6.png"
    },
    "colors": {
      "frame": "#8a8a8a",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "m-w2.de light",
  "manifest_version": 2,
  "description": "Light <a href=\"https://outgoing.prod.mozaws.net/v1/9af07d8b2acd776a6ebbe63f9eeeef3ea7d704053a94ee82e58f5bd4e5795288/http%3A//www.modern-warfare2.de\" rel=\"nofollow\">www.modern-warfare2.de</a> Design"
}