Examine source code of Shawshank Redemptions

{
  "name": "Shawshank Redemptions",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "verurteilten-3.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0.61)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(66, 66, 66, 0.34)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(107, 83, 48, 0.6)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 0.56)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e991e9b-6bdd-4cc1-8b0b-e8e10a61a795}"
    }
  }
}