Border for table, th & td also / Table Borders

<style>
table {
    border-collapse: collapse;
}

table, td, th {
   border: 1px solid black;
}
</style>

<h2>Border for table, th & td also</h2>
<p>simple code for complete table border, table border with small css, simple code for th, td, table border</p>

<table width="300">
  <tr>
    <th>Name</th>
    <th>Class</th>
  </tr>
  <tr>
    <td>Sam</td>
    <td>6th</td>
  </tr>
  <tr>
    <td>Ravi</td>
    <td>5th</td>
  </tr>
</table>

Screenshot