Examine source code of Simple Orange (gradient)

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABS.jpg"
    },
    "colors": {
      "frame": "#707070",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Simple Orange (gradient)",
  "manifest_version": 2,
  "description": "Simple gradient from orange to white. Not distubing and easy to look at. <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/0d10dd3ddc146be65ca1f15561a48132e40b79c13abe5b8502ea8dd44c7adc16/http%3A//www.bonoseo.com/\">http://www.bonoseo.com/</a>"
}