Examine source code of Unicorn's Music

{
  "name": "Unicorn's Music",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Unicorn's Music.png"
    },
    "colors": {
      "frame": "rgba(17, 45, 2, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(16, 46, 2, 0)",
      "toolbar_field": "rgba(40, 92, 4, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ef4dd0e-9f7d-4853-aa3e-5c17288eabcf}"
    }
  }
}