HTML col Tag

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Example

Set the background color of the three columns with the <colgroup> and <col> tags:
<table border="1">
  <colgroup>
    <col span="2" 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>
</table>

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The <col> tag is supported in all major browsers.

Definition and Usage

The <col> tag specifies column properties for each column within a <colgroup> element.
The <col> tag is useful for applying styles to entire columns, instead of repeating the styles for each cell, for each row.