Examine source code of Alex Grey Dark Theme

{
  "theme": {
    "images": {
      "theme_frame": "AGreyPersonaHeadr.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#57de14"
    }
  },
  "version": "2.0",
  "name": "Alex Grey Dark Theme",
  "manifest_version": 2,
  "description": "Alex Grey's Theologue and Wonder together in a dark theme. \n\n(C) Alex Grey <a href=\"https://outgoing.prod.mozaws.net/v1/67068e7a81d608a31e31c080deff8c29f776775b3f8130e2486f5225100a0b8f/http%3A//alexgrey.com/\" rel=\"nofollow\">http://alexgrey.com/</a>"
}