Examine source code of Happiness more&less

{
  "theme": {
    "images": {
      "theme_frame": "happinessh.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#080808"
    }
  },
  "version": "2.0",
  "name": "Happiness more&less",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/6c5c8bd30491d694446786fe97ecfb0b27c0d669015c4fe1a8befaccb8cc67e9/http%3A//www.colourlovers.com/pattern/928923/Happines_moreless\" rel=\"nofollow\">http://www.colourlovers.com/pattern/928923/Happines_moreless</a>"
}