Examine source code of Polly Pockets

{
  "name": "Polly Pockets",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Polly Pockets.png"
    },
    "colors": {
      "frame": "rgba(249, 206, 216, 1)",
      "tab_background_text": "rgba(212, 96, 247, 1)",
      "toolbar": "rgba(255, 255, 255, 0.43)",
      "bookmark_text": "rgba(18, 195, 204, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.52)",
      "toolbar_field_text": "rgba(247, 108, 141, 1)",
      "tab_line": "rgba(250, 240, 45, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3349d354-2729-4e71-9feb-a2be054f2e86}"
    }
  }
}