title: How to integrate toggle button to Bootstrap 3.3.7?
body: <p>I have a site with Drupal 8 and Bootstrap 3.3.7</p>
  <p>How to integrate toggle button?</p>
  <p>I want to embed a rounded button with customizable text inside.</p>
  <p>I did some research in Google and found only old library for older versions of bootstrap.</p>
  <p>Here is an example:<br>
  <a href="https://i.stack.imgur.com/p5TjT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/p5TjT.png" alt="toggle switch button" /></a></p>