JSFiddle - React, Tailwind, and code Playground
HTML
<table width="200" border="1">
<tr>
<td>
<div class="simple_div">1</div>
<div class="simple_div">2</div>
<div class="simple_div">3</div>
</td>
<td valign="top">
<div class="div_100">
<div class="simple_div">4</div>
5
</div>
</td>
<td><div class="div_100">6</div></td>
<td><div class="div_100">7</div></td>
</tr>
</table>
CSS
.div_100 {
width: 100%;
height: 100%;
border: 1px solid red;
overflow: auto;
}
.simple_div {
width: 100%;
height: 25px;
border: 1px solid red;
overflow: auto;
}