Examine source code of i2p

{
  "name": "i2p",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot_20220731-082344_One UI Home.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{38ad3788-2fbb-4ee7-8221-ce0a694b34af}"
    }
  }
}