JSFiddle - React, Tailwind, and code Playground

HTML

<div class="amount-box">
    
    <div class="25">
      <a href="">$25</a>
    </div>
    <div class="50">
      <a href="">$50</a>
    </div>
    <div class="100">
      <a href="">$100</a>
    </div>
  </div><!-- amount box -->

CSS

.amount-box{
  display: flex;
  justify-content: center;
      align-items:center;


}
.amount-box > div{
  width: 50px;
  height: 50px;
  text-align: center;
  padding: 5px;
  border: 1px solid black;
  border-radius: 10px;
  margin: 5px;
}