JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/[email protected]/prop-types.js"></script>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<div id="container"></div>

CSS

button {
  position: relative;
  top:50%;
  left:50%;
  transform: translate(-50%,-50%);
}

.button-box {
  background-color:grey;
  width:250px;
  height:250px;
}

Babel + JSX

class App extends React.Component {
	static propTypes = {
  	name: PropTypes.string,
  };
  
  render() {
  	return (
    	<div class="button-box" onMouseMove={this.onMove}>
    	  <button>This should move</button>
    	</div>
    );
  }
  
  onMove(MouseEvent){
  	
  }
}

ReactDOM.render(<App name="world"/>, document.getElementById('container'));