JSFiddle - React, Tailwind, and code Playground

HTML

<button class="purchase__button" type="button"><p>BUY</p></button>

CSS

.purchase__button {
	width: 200px;
	height: 50px;
	margin-left: 40px;
	margin-bottom: 20px;
	border-radius: 10px;
	background-color: #fff;
  border-width: 0;
  border-radius: 5px;
  border: 1px solid black;
}