Examine source code of JukeBox & Music Notes

{
  "name": "JukeBox & Music Notes",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "JukeBox & Music  Notes.png"
    },
    "colors": {
      "frame": "rgba(21, 127, 173, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(21, 122, 173, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.68)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(46, 234, 247, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1bbbddce-814e-4015-9408-b99d10a7747f}"
    }
  }
}