Examine source code of Shenandoah Moss

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0f0101",
      "tab_background_text": "#d1d2de"
    }
  },
  "version": "2.0",
  "name": "Shenandoah Moss",
  "manifest_version": 2,
  "description": "macro shot of spring moss atop greenstone in Shenandoah national park"
}