Examine source code of One Piece abstract

{
  "name": "One Piece Abstract",
  "manifest_version": 3,
  "version": "4.0.1",
  "description": "Elegant One Piece th3me",
  "theme": {
    "images": {
      "theme_frame": "1010565.png"
    },
    "colors": {
      "frame": "rgba(35, 36, 38, 0)",
      "tab_background_text": "rgba(255, 255, 255, 0.88)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 0.88)",
      "toolbar_field": "rgba(242, 242, 242, 0.24)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.88)",
      "tab_line": "rgba(240, 240, 240, 0.24)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd48ab37-6993-42d7-b2dc-99814a41669d}"
    }
  }
}