Examine source code of Starfield Infinity

{
  "name": "Starfield Infinity",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "2023-10-21 19_16_02-Starfield-FirstSteps_Wallpaper_1920x1080-01.jpg ‎- Photos.png"
    },
    "colors": {
      "frame": "rgba(12, 83, 125, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(155, 194, 198, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(86, 156, 181, 1)",
      "toolbar_field_text": "rgba(22, 72, 87, 1)",
      "tab_line": "rgba(190, 39, 41, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e13f29c-6e1b-4823-9bce-dbcd09586029}"
    }
  }
}