Examine source code of hearts gradient

{
  "theme": {
    "images": {
      "theme_frame": "heartsgradientalto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#66ff99"
    }
  },
  "version": "2.0",
  "name": "hearts gradient",
  "manifest_version": 2,
  "description": "pattern,red,grey,solid,colorful,minimalist,love,valentine - TKS to basic design author :: bmh1 :: on deviantART link: \n<a href=\"https://outgoing.prod.mozaws.net/v1/36a3f2c33ace63ef555db755163a2d8707c6175295a232d36e0b530cb27141bc/http%3A//bmh1.deviantart.com/art/Hearts-77296756\" rel=\"nofollow\">http://bmh1.deviantart.com/art/Hearts-77296756</a>"
}