Examine source code of https://Button

{
  "manifest_version": 2,
  "name": "https://Button",
  "version": "1.1.2resigned1",
  "author": "Phil Tsaryk",
  "description": "Switch current page to https://",
  "homepage_url": "https://github.com/phts/firefox-https-button",
  "icons": {
    "48": "icons/app-48.png",
    "96": "icons/app-96.png"
  },
  "permissions": [
    "activeTab"
  ],
  "applications": {
    "gecko": {
      "id": "https-button@phts",
      "strict_min_version": "52.0"
    }
  },
  "background": {
    "scripts": [
      "lib/main.js"
    ]
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "Switch to https://",
    "default_icon": {
      "16": "icons/button-16.png",
      "32": "icons/button-32.png"
    },
    "theme_icons": [
      {
        "light": "icons/button-16-light.png",
        "dark": "icons/button-16.png",
        "size": 16
      },
      {
        "light": "icons/button-32-light.png",
        "dark": "icons/button-32.png",
        "size": 32
      }
    ]
  }
}