JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
   <style>
      #outter {
            width: 200px;
            margin: auto;
            text-align: center;
            border: 1px solid #333;
            -moz-border-radius: 15px;
            background: red;
        }
        #inner {
            opacity: 0.5;
        }
    </style>
</head>
<body>
<div id="outter">
    <div id="inner">text</div>
</div>
</body>
</html>