Examine source code of xterminal-dark

{
  "name": "xterminal",
  "manifest_version": 2,
  "version": "1.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "setwalls.ru-38332.jpg"
    },
    "colors": {
      "frame": "rgba(4, 25, 33, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(10, 87, 102, 1)",
      "bookmark_text": "rgba(193, 223, 230, 1)",
      "toolbar_field": "rgba(27, 58, 79, 1)",
      "toolbar_field_text": "rgba(219, 219, 219, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3ac22ee2-b884-4b1b-8be5-1fa5f72f7739}"
    }
  }
}