JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
	<div class="content">
    	<div class="box-center">Your html here</div>
	</div>
</div>

CSS

body, html{
  width: 100%;
  height: 100%;
  margin: 0px;
  font-family: arial;
}

.container{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: #fff;
}
/*
.box-center{
    padding: 20px;
    color: #fff;
    border-radius: 5px;
    background-color: #1f8dd6;
}*/