Examine source code of i-swap

{
  "theme": {
    "images": {
      "theme_frame": "iswapfirefoxtop.jpg"
    },
    "colors": {
      "frame": "#2cd1ce",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "i-swap",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/29cce4e6d85f4691923925a2070c583ed863d9a97612122611247542f4b91ea6/http%3A//i-swap.com.au\" rel=\"nofollow\">i-swap.com.au</a>"
}