Examine source code of Ojingogo

{
  "theme": {
    "images": {
      "theme_frame": "OjingogoBanner.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ojingogo",
  "manifest_version": 2,
  "description": "Ojingogo is a theme from the Fire Fox add-on, BetterGaia, I liked it so much I wanted to see it on EVERY website I visit, you might like it that much too!"
}