JSFiddle - React, Tailwind, and code Playground

HTML

<div id="circle">
    <div id="text">Text in the circle</div>
</div>

CSS

body {
  background-color: #fff;
}

#circle {
  position: relative;
  background-color: #09f;
  margin: 20px auto;
  width: 400px;
  height: 400px;
  border-radius: 200px;
}

#text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform:translate(-50%,-50%);
  color: #fff;
}