Examine source code of Unique in Dark Blues

{
  "name": "Unique in Dark Blues",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Unique in Dark Blues.jpg"
    },
    "colors": {
      "frame": "rgba(110, 119, 138, 1)",
      "tab_background_text": "rgba(250, 250, 250, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{76155dbd-aa99-4ad5-be4c-67a1ca262ef7}"
    }
  }
}