JSFiddle - React, Tailwind, and code Playground

HTML

<div class = "buttons">
<a href="http://apophis.neocities.org"><img src="HOME.png" class="HOME" title="HOME" alt="HOME"></a>
<a href=""><img src="INDEX.png" class="INDEX" title="INDEX" alt="INDEX"></a>
<a href="http://users3.smartgb.com/g/g.php?a=s&i=g36-29888-d9"><img src="GUESTBOOK.png" class="GUESTBOOK" title="GUESTBOOK" alt="GUESTBOOK"></a>

</div>

CSS

.buttons {
  height: 100px;
  width: 612px;
  margin: auto auto;
  display: block;
  text-align: center;
}