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HTML colgroup Tag

The HTML <colgroup> tag is used to apply different styles or properties to group of column. It reduce the repetition the style for each cell, for each row.

Example of Code

<table>
  <colgroup>
    <col span="4" style="background-color:red">
    <col style="background-color:yellow">
  </colgroup>
  <tr>
    <th>ISBN</th>
    <th>Title</th>
    <th>Price</th>
  </tr>
  <tr>
    <td>3476896</td>
    <td>My first HTML</td>
    <td>$53</td>
  </tr>
  <tr>
    <td>5869207</td>
    <td>My first CSS</td>
    <td>$49</td>
  </tr>
</table>

Output

ISBNTitlePrice
3476896My first HTML$53
5869207My first CSS$49