title: How to change the props of bullet slider in Ionic 4?
body: <p>How to change the props of bullet in ion-slider (color, size and position)
  I apply the snippets of the next link, but not working in ionic 4
  <a href="https://forum.ionicframework.com/t/change-ion-slides-pager-dot-color/102752/2" rel="nofollow noreferrer">Change ion-slides pager dot color</a></p>