Examine source code of Athene Hell

{
  "name": "Athene Hell",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "670f8940172979.580e7f8ac2402 - Kopie.jpg"
    },
    "colors": {
      "frame": "rgba(248, 247, 243, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{32439a0f-9be7-42b5-b82f-1420d148f0a5}"
    }
  }
}