HTML <col> span Attribute
Example
Here, the first two columns should have a background color of red:
  
    <table>
  <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>
  
Try it Yourself »
Definition and Usage
The span attribute defines the number of columns a <col> element should span.
Browser Support
| Attribute | |||||
|---|---|---|---|---|---|
| span | Yes | Yes | Yes | Yes | Yes | 
Differences Between HTML 4.01 and HTML5
NONE.
Syntax
  
    <col span="number">
Attribute Values
| Value | Description | 
|---|---|
| number | Sets the number of columns a <col> element should span | 
❮ HTML <col> tag

