Examine source code of Future technology

{
  "name": "Future technology",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "pngtree-futuristic-digital-technology-blue-background-gaming-interface-wallpaper-image_693021.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(250, 250, 250, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e1f9033a-234d-46bd-8a4d-e5de278a3eb6}"
    }
  }
}