Examine source code of Fontsmall New Tab

{
  "name": "Jinx League of Legends HD Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "wallpaperflare.com_wallpaper.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(237, 237, 237, 1)",
      "toolbar": "rgba(86, 186, 204, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(21, 144, 237, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8cac8f8e-0ade-49e6-b2c7-7703e4a7c825}"
    }
  }
}