Examine source code of Data table icon

{
  "manifest_version": 2,
  "name": "Data table icon",
  "version": "1.0",
  "description": "Data table icons are often depicted as simple, intuitive, and easily recognizable images that represent the organization of information in a tabular format.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Click me!"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dcd36f9b-b01c-4866-8d2c-1d5926537861}"
    }
  }
}