Examine source code of Instruments

{
  "theme": {
    "images": {
      "theme_frame": "MusicHeader.jpg"
    },
    "colors": {
      "frame": "#2a70e8",
      "tab_background_text": "#2a70e8"
    }
  },
  "version": "2.0",
  "name": "Instruments",
  "manifest_version": 2
}