Examine source code of VT Maroon

{
  "name": "VT Maroon",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "maroon.png"
    },
    "colors": {
      "frame": "rgba(99, 0, 49, 1)",
      "tab_background_text": "rgba(255, 60, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(207, 69, 32, 1)",
      "toolbar_field": "rgba(214, 214, 214, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(207, 69, 32, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{23379d65-45e8-4adb-8c49-b6433adfff53}"
    }
  }
}