Examine source code of LZT

{
  "name": "LZT",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "firefox-quantum-about-config-hero.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(224, 139, 139, 1)",
      "bookmark_text": "rgba(227, 143, 143, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0cbdac5e-929d-48ef-9e1d-1709cc616be9}"
    }
  }
}