JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>123123</td>
    </tr>
</table>

CSS

td {
    background: green; 
    -webkit-border-radius: 5px; 
    -moz-border-radius: 5px; 
    border-radius: 5px;    
}