Examine source code of BaronGooseTheme

{
  "name": "BaronGooseTheme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "223 2.png"
    },
    "colors": {
      "frame": "rgba(212, 89, 38, 1)",
      "tab_background_text": "rgba(64, 54, 125, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(242, 191, 99, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(242, 191, 99, 1)",
      "tab_line": "rgba(242, 191, 99, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{af93af0e-ccab-4c4d-8de5-6066458e5e6f}"
    }
  }
}