<table id="customers">
  <tr>
    <th>Name</th>
    <th>Age</th>
    <th>Role</th>
  </tr>
  <tr>
    <td>Temitope</td>
    <td>12</td>
    <td>Accountant</td>
  </tr>
  <tr>
    <td>Alfred</td>
    <td>23</td>
    <td>Designer</td>
  </tr>
  <tr>
    <td>Bello</td>
    <td>14</td>
    <td>Painter</td>
  </tr>
  <tr>
    <td>John</td>
    <td>25</td>
    <td>Architect</td>
  </tr>
  <tr>
    <td>James</td>
    <td>10</td>
    <td>Manager</td>
  </tr>
</table>

body{
  box-sizing: border-box
  border: 1px solid #ddd;
}

table {
  font-family: Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
  border: none
}

table td, #customers th {
  padding: 8px;
}

table tr:nth-child(odd){background-color: #f2f2f2;}

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

table th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #331763;
  color: white;
}

td:first-child,
th:first-child {
  border-radius: 10px 0 0 10px;
}
td:last-child,
th:last-child {
  border-radius: 0 10px 10px 0;
}