table-test.html

<!DOCTYPE html>
<html>
<head>
<style>
#customers {
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

#customers td, #customers th {
    border: 1px solid #ddd;
    padding: 8px;
}

#customers tr:nth-child(even){background-color: #f2f2f2;}

#customers tr:hover {background-color: #ddd;}

#customers th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #4CAF50;
    color: white;
}
</style>
</head>
<body>

<table id="customers">
  <tr>
    <th>First Name</th>
    <th>Last Name</th>
    <th>Age</th>
  </tr>
  <tr>
    <td>John</td>
    <td>Grimes</td>
    <td>24</td>
  </tr>
  <tr>
    <td>Bella</td>
    <td>Gizdr</td>
    <td>21</td>
  </tr>
  <tr>
    <td>Giovanni</td>
    <td>Santorini</td>
    <td>25</td>
  </tr>
</table>

</body>
</html>