Examine source code of tragic sunset

{
  "theme": {
    "images": {
      "theme_frame": "Panoramafacultaapus3.jpg"
    },
    "colors": {
      "frame": "#0a0707",
      "tab_background_text": "#ff6708"
    }
  },
  "version": "2.0",
  "name": "tragic sunset",
  "manifest_version": 2,
  "description": "a winter sunset in timisoara, romania."
}