Examine source code of Professor Zoom

{
  "name": "Professor Zoom",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "тема для мозилы2.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 200, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(238, 255, 0, 1)",
      "toolbar_field": "rgba(255, 221, 0, 1)",
      "toolbar_field_text": "rgba(255, 0, 0, 1)",
      "tab_line": "rgba(255, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{72151e79-0626-4427-a229-eccea68989fe}"
    }
  }
}