Examine source code of White Musical Notes

{
  "theme": {
    "images": {
      "theme_frame": "MusicalNotes2H.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#faf603"
    }
  },
  "version": "2.0",
  "name": "White Musical Notes",
  "manifest_version": 2,
  "description": "White musical notes on a black background"
}