Examine source code of ositos polares

{
  "name": "ositos polares",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "images.jpeg"
    },
    "colors": {
      "frame": "rgba(50, 55, 56, 1)",
      "tab_background_text": "rgba(53, 242, 239, 1)",
      "bookmark_text": "rgba(0, 247, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(247, 255, 0, 1)"
    }
  }
}