Examine source code of Space Traffic

{
  "name": "Space Traffic",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "comic-universe.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(97, 244, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(148, 16, 45, 0.72)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(97, 244, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e326b69-7d95-43d8-b595-d1d05a16f2ff}"
    }
  }
}