Examine source code of Symbiotic Design

{
  "theme": {
    "images": {
      "theme_frame": "symbiotic-design_header.jpg"
    },
    "colors": {
      "frame": "#666666",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Symbiotic Design",
  "manifest_version": 2,
  "description": "Playing with the Symbiotic Design Trademark logo and another brushed metal surface. This is the Symbiotic Design brand persona and I realize that I may well wind-up being the only one using it, but I want to use it and the editor won't allow me to use locally stored custom themes."
}