Examine source code of dreamstime lightning

{
  "theme": {
    "images": {
      "theme_frame": "dream.jpg"
    },
    "colors": {
      "frame": "#e2e2f0",
      "tab_background_text": "#d7e7f2"
    }
  },
  "version": "2.0",
  "name": "dreamstime lightning",
  "manifest_version": 2,
  "description": "Customize your browser with Free images from Dreamstime! You can now color and brighten all your world wide web experiences with outstanding high quality images. Pick your favorites and wear as many as 11 million different personas with more to add! \nClick here: <a href=\"https://outgoing.prod.mozaws.net/v1/98fbc86e11622dff0c0e2d1e65aafc213f6bed9600147e2a9237785e9faffaef/http%3A//www.dreamstime.com/ref278_persona\" rel=\"nofollow\">http://www.dreamstime.com/ref278_persona</a> \n  dreamstime,light,lightning,clouds,nature,blue,sky, atmosphere, thunder, storm,heaven,abstract, scenery,landscape,skyline"
}