Examine source code of Lucky Cat Party

{
  "name": "Lucky Cat Party",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Lucky Cat Party.png"
    },
    "colors": {
      "frame": "rgba(214, 64, 63, 1)",
      "tab_background_text": "rgba(235, 207, 50, 1)",
      "toolbar": "rgba(255, 150, 112, 0)",
      "toolbar_field": "rgba(255, 155, 112, 0.6)",
      "toolbar_field_text": "rgba(115, 14, 16, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{40c12ccc-0db3-4c57-90cf-3168fd19bd9f}"
    }
  }
}