Examine source code of Marigold Inverted

{
  "theme": {
    "images": {
      "theme_frame": "marih.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Marigold Inverted",
  "manifest_version": 2,
  "description": "inverted image of the pattern <a href=\"https://outgoing.prod.mozaws.net/v1/6b2c14165e452b4e53466f9cc7072cb090c4466701fddeeeddc4d756f2ef9aa0/http%3A//www.colourlovers.com/pattern/930393/Spiked_marigolds\" rel=\"nofollow\">http://www.colourlovers.com/pattern/930393/Spiked_marigolds</a>"
}