JSFiddle - React, Tailwind, and code Playground

HTML

<table style="width:100%">
  <tr>
    <th colspan="2"></th>
    <th rowspan="3"></th>  
  </tr>
  <tr>
    <td rowspan="2"></td>
    <td></td> 
  </tr>
  <tr>
    <td></td>
    <td></td> 
  </tr>
</table>

CSS

th, td {
    border: 1px solid black;
    padding: 20px;

}
table{
      border-collapse: collapse ;
}