Examine source code of Olive Green Black

{
  "theme": {
    "images": {
      "theme_frame": "greenblackH.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Olive Green Black",
  "manifest_version": 2,
  "description": "green, army, olive, transition, gradient, black, dark,"
}