Edit in JSFiddle

<table>
  <caption>A table example</caption>
  <tr>
    <th scope="col">Col Header 1</th>
    <th scope="col">Col Header 2</th>
    <th scope="col">Col Header 3</th>
  </tr>
  <tr>
    <th scope="row">Row Header 1</th>
    <td>Row 1 Col 2</td>
    <td>Row 1 Col 3</td>
  </tr>
  <tr>
    <th scope="row">Row Header 2</th>
    <td>Row 2 Col 2</td>
    <td>Row 2 Col 3</td>
  </tr>
</table>

table{
	border: 2px solid #333;
}
tr>*{
	padding: 0.5rem;
	border: 1px solid #666;
}