Examine source code of Monkeytheme

{
  "name": "Monkeytheme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "mt.png"
    },
    "colors": {
      "frame": "rgba(50, 52, 55, 1)",
      "tab_background_text": "rgba(226, 183, 20, 1)",
      "toolbar": "rgba(50, 52, 55, 1)",
      "toolbar_field": "rgba(50, 52, 55, 1)",
      "toolbar_field_text": "rgba(226, 183, 20, 1)",
      "tab_line": "rgba(226, 183, 20, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f1c3994-1b17-4003-ba46-b6d35df9f8f6}"
    }
  }
}