cells in html table code example

Example 1: table css

tr , th , td  {
    border: 1px solid black;
    padding: 5%;
    text-align: center;
}

Example 2: table tag

<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>