Examine source code of Squidder

{
  "name": "Squidder",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "squid.png"
    },
    "colors": {
      "frame": "rgba(78, 89, 115, 0.6)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(110, 82, 82, 0.35)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(122, 60, 60, 0.48)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(99, 124, 199, 0.5)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5ea86f0d-379d-4d4c-90a9-43dca620d84c}"
    }
  }
}