Examine source code of Liverpool Theme

{
  "name": "Liverpool Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "983940.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(212, 200, 172, 1)",
      "toolbar_field": "rgba(252, 234, 169, 0.45)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad08ae05-3536-4697-8c03-845351b3b6d6}"
    }
  }
}