Examine source code of Shiny Fire

{
  "theme": {
    "images": {
      "theme_frame": "shinyfire.jpg"
    },
    "colors": {
      "frame": "#eb7f36",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Shiny Fire",
  "manifest_version": 2,
  "description": "Really simple test to see if I was doing it right.  Just used a gradient fill and airbrush in GIMP."
}