Examine source code of greenTrails

{
  "theme": {
    "images": {
      "theme_frame": "green-trails-shadow2500x200.jpg"
    },
    "colors": {
      "frame": "#1c4715",
      "tab_background_text": "#0a0909"
    }
  },
  "version": "2.0",
  "name": "greenTrails",
  "manifest_version": 2,
  "description": "Light is fast, particularly in the dark as captured with a large F stop setting . . . "
}