Examine source code of CraftsPress New Tab

{
  "name": "CraftsPress New Tab",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "wallpaperflare.com_wallpaper (44).jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(230, 25, 25, 0.66)",
      "bookmark_text": "rgba(255, 252, 252, 1)",
      "toolbar_field": "rgba(235, 42, 177, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{73f39492-adec-4578-b88f-73eb4c7c200d}"
    }
  }
}