JSFiddle - React, Tailwind, and code Playground

HTML

<table width=100% height=100% border="1"> 
    <tr>
        <td style="text-align: center; vertical-align: middle;">
            <img src="http://upload.wikimedia.org/wikipedia/commons/1/1b/Square_200x200.png" />
        </td>
    </tr>
</table>

CSS

html, body
{
    height: 100%;
    width:100%;
    margin:0;
    padding:0;
}