JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<table id="contentFrame">
    <tr style="background-color: pink;">
        <td>&nbsp;</td>
        <td id="contentCol">
            This is the header
        </td>
        <td>&nbsp;</td>
    </tr>
    <tr id="contentRow">
        <td></td>
        <td id="contentCell">
            This is the content
        </td>
        <td></td>
    </tr>
    <tr style="background-color: yellow;">
        <td></td>
        <td>
            This is the footer
        </td>
        <td></td>
    </tr>
</table>
</body>

CSS

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

#contentFrame {
    width: 100%;
    height: 100%;
    border-spacing: 0;
    border-collapse: collapse;
    empty-cells: show;
}

#contentRow {
    background-color: green;
}

#contentCell {
    height: 100%;
    vertical-align: middle;
    background-color: white;
}
#contentCol {
    width: 80%;
}
}