Examine source code of Waterfall Symphony

{
  "name": "Waterfall Symphony",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(254, 251, 236, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(254, 251, 236, 1)",
      "toolbar_field": "rgba(38, 36, 36, 0.08)",
      "toolbar_field_text": "rgba(254, 251, 236, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e5d87f0-ea04-4d73-99f5-ec3d7c08280e}"
    }
  }
}