JSFiddle - React, Tailwind, and code Playground

HTML

<table border=1 bgcolor="green" width=80% height="30%">
<tr>
<td rowspan="2" >
This is 1st row 1st column
</td>
<td >
2
</td>
</tr>
<tr>
<td >
This is 2nd row 1st column
</td>

</tr>
</table>

CSS

html, body{
    height: 100%;
}