HTML Col Style Attribute - Dofactory

HTML <col> style Attribute HTML <code> HTML <colgroup>

A style attribute on a <col> tag assigns a unique style to the col element.

Its value is CSS that defines the appearance of the col element.

Example

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A style attribute on a <col> tag.

Id	First Name	Last Name	Country
ART-303	Vincent	Van Gogh	Netherlands
ART-877	Paul	Cézanne	France

<style> table.tb { width:100%; border-collapse: collapse; } .tb th, .tb td { padding:3px; border: 1px solid #777; } </style> <table class="tb"> <colgroup> <col> <col span="3" style="background-color:mintcream;"> </colgroup> <tr> <th>Id</th> <th>First Name</th> <th>Last Name</th> <th>Country</th> </tr> <tr> <td>ART-303</td> <td>Vincent</td> <td>Van Gogh</td> <td>Netherlands</td> </tr> <tr> <td>ART-877</td> <td>Paul</td> <td>Cézanne</td> <td>France</td> </tr> </table> Try it live

Using style

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The style attribute specifies the style, i.e. look and feel, of the <col> element.

A style contains any number of CSS property/value pairs, separated by semicolons (;).

The style attribute overrides any other style that was defined in a <style> tag or an external CSS file.

This inline styling affects the current <col> element only.

Syntax

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<col style="CSS-styles">

Values

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Value	Description
CSS-styles	One or more CSS property/value pairs separated by semicolons (;).

More Examples

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A style attribute on a <col> tag. Clicking the button toggles the background color.

Id	First Name	Last Name	Country
ART-303	Vincent	Van Gogh	Netherlands
ART-877	Paul	Cézanne	France

Toggle style <style> table.tbl { width:100%; border-collapse: collapse; } .tbl th, .tbl td { padding:3px; border: 1px solid #777; } </style> <table class="tbl"> <colgroup> <col> <col span="3" id="mycol" style="background-color:mintcream;"> </colgroup> <tr> <th>Id</th> <th>First Name</th> <th>Last Name</th> <th>Country</th> </tr> <tr> <td>ART-303</td> <td>Vincent</td> <td>Van Gogh</td> <td>Netherlands</td> </tr> <tr> <td>ART-877</td> <td>Paul</td> <td>Cézanne</td> <td>France</td> </tr> </table> <br/> <button onclick="toggle();">Toggle style</button> <script> let toggle = () => { let element = document.getElementById("mycol"); if (element.style.backgroundColor === "mintcream") { element.style.backgroundColor = "papayawhip"; } else { element.style.backgroundColor = "mintcream"; } } </script> Try it live

Code explanation

The style attribute assigns a background color to the <col> element.

When clicking the button JavaScript changes the element background color.

Browser support

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Here is when style support started for each browser:

Chrome	1.0	Sep 2008
Firefox	1.0	Sep 2002
IE/Edge	1.0	Aug 1995
Opera	1.0	Jan 2006
Safari	1.0	Jan 2003

You may also like

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• Our HTML col Tag Reference
• Our HTML style Attribute Reference
• Our CSS Tables Tutorial

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