Examine source code of Fishermans Sunset

{
  "name": "Fishermans Sunset",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "LighthouseH2.jpg"
    },
    "colors": {
      "frame": "rgba(138, 74, 28, 1)",
      "tab_background_text": "#ffffff",
      "toolbar": "rgba(138, 74, 28, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(140, 78, 28, 0.02)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e37575ff-35d1-4ab3-9220-a6581e29268a}"
    }
  }
}