how to create a popup box in html code example

Example: popup HTML code

<div class="popup center">
  <div class="icon">
    <i class="fa fa-check"></i>
  </div>
  <div class="title">
    Success!!
  </div>
  <div class="description">
    Lorem ipsum dolor sit amet consectetur adipisicing elit. Alias nihil provident voluptatem nulla placeat
  </div>
  <div class="dismiss-btn">
    <button id="dismiss-popup-btn">
      Dismiss
    </button>
  </div>
</div>
<div class="center">
  <button id="open-popup-btn">
    Open Popup
  </button>
</div>