Examine source code of N_alice

{
  "name": "N_alice",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(0, 14, 84, 1)",
      "toolbar": "rgba(31, 8, 8, 0)",
      "bookmark_text": "rgba(56, 50, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(0, 71, 7, 1)",
      "tab_line": "rgba(105, 105, 105, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{69c8ffff-385e-46f6-b520-1313ec6aba60}"
    }
  }
}