Examine source code of Sommewheretostay

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sommewheretostay",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/456e62ab3d7f10ac15a66ba2cfd9f733201c8fb4e3d46594ed5ae4c5cb6686a0/http%3A//Sommewheretostay.com\" rel=\"nofollow\">Sommewheretostay.com</a>"
}