Examine source code of Midnight_Star

{
  "name": "Midnight",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "star.svg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(150, 17, 217, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e61c1e78-d63f-4af2-b28c-12d10911a9a1}"
    }
  }
}