Examine source code of Fall Leaves

{
  "theme": {
    "images": {
      "theme_frame": "leavesheader.jpg"
    },
    "colors": {
      "frame": "#ed390c",
      "tab_background_text": "#eff70f"
    }
  },
  "version": "2.0",
  "name": "Fall Leaves",
  "manifest_version": 2,
  "description": "Autumn"
}