Examine source code of Deadpool Comix

{
  "name": "Deadpool Comix",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "comix-2.png"
    },
    "colors": {
      "frame": "rgba(97, 97, 97, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(33, 81, 107, 0.65)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(95, 95, 95, 0.78)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 179, 0, 0.55)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26178eeb-6f14-411e-b305-60d197d5358f}"
    }
  }
}