I'm attaching a screenshot. I want to make html for that. Please help for
my html

```html
<table style="width:100%">
  <tr>
    <th>Firstname</th>
    <th>Lastname</th> 
    <th>Age</th>
  </tr>
  <tr>
    <td>Jill</td>
    <td>Smith</td> 
    <td>50</td>
  </tr>
  <tr>
    <td>Eve</td>
    <td>Jackson</td> 
    <td>94</td>
  </tr>
</table>
```

I want table with columns like the following[![enter image description here](https://i.stack.imgur.com/6qp7g.png)](https://i.stack.imgur.com/6qp7g.png)