Examine source code of Kontrabass - Doublebass

{
  "name": "Kontrabass - Doublebass",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "_MBE2707 orginal zuschnitt5.JPG"
    },
    "colors": {
      "frame": "rgba(214, 96, 0, 0)",
      "tab_background_text": "rgba(255, 255, 255, 0.71)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(235, 235, 235, 0.36)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 106, 0, 0.73)"
    }
  }
}