Examine source code of Vintage Grating

{
  "theme": {
    "images": {
      "theme_frame": "VintageGraitingH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Vintage Grating",
  "manifest_version": 2,
  "description": "rust, grate, vintage, old, antique, wall, orange, brown, grunge, grungy, metal, rusted. My matching wallpaper is at: <a href=\"https://outgoing.prod.mozaws.net/v1/0a769b355b185abc8155280040c288e4d9253adcf8f2e18c4d889ae276b23411/http%3A//abstract.desktopnexus.com/wallpaper/616172/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/616172/</a>"
}