HTML Table <colgroup>

Penataan Gaya Kolom dengan <colgroup>

<table>
  <colgroup>
    <col span="2" style="background-color: #f5f5f5">
    <col style="background-color: #e0f2f1">
  </colgroup>
  <tr><th>No</th><th>Produk</th><th>Harga</th></tr>
</table>