JSFiddle - React, Tailwind, and code Playground

HTML

<table width="600" cellspacing="0" cellpadding="0">
    <tr>
        <td valign="top" style="background:red;">
            <img width="600" height="104" src="" alt=""/>
        </td>
    </tr>
    <tr>
        <td valign="top" style="background:green;">
            <img width="600" height="400" src="" alt=""/>
        </td>
    </tr>
</table>

CSS

img {display:block}