Examine source code of Aquaman Poster

{
  "name": "Aquaman Poster",
  "manifest_version": 2,
  "version": "1.1resigned1",
  "theme": {
    "images": {
      "theme_frame": "Aquaman poster.jpeg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3f027bae-6d0a-4dfb-9791-5a21af5e40d1}"
    }
  }
}