Examine source code of WS-Mediadesign

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "WS-Mediadesign",
  "manifest_version": 2,
  "description": "basierend auf <a href=\"https://outgoing.prod.mozaws.net/v1/890c6514e833502c79bd9b527bae734bb58d4f5ff43a28251ad2c23167ada8f9/http%3A//www.ws-mediadesign.de\" rel=\"nofollow\">www.ws-mediadesign.de</a>\n\nbased on <a href=\"https://outgoing.prod.mozaws.net/v1/890c6514e833502c79bd9b527bae734bb58d4f5ff43a28251ad2c23167ada8f9/http%3A//www.ws-mediadesign.de\" rel=\"nofollow\">www.ws-mediadesign.de</a>"
}