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HTML <colgroup> Tag


Set the background color of the three columns with the <colgroup> and <col> tags:

    <col span="2" style="background-color:red">
    <col style="background-color:yellow">
    <td>My first HTML</td>
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Definition and Usage

The <colgroup> tag specifies a group of one or more columns in a table for formatting.

The <colgroup> tag is useful for applying styles to entire columns, instead of repeating the styles for each cell, for each row.

Note: The <colgroup> tag must be a child of a <table> element, after any <caption> elements and before any <thead>, <tbody>, <tfoot>, and <tr> elements.

Tip: To define different properties to a column within a <colgroup>, use the <col> tag within the <colgroup> tag.

Browser Support

<colgroup> Yes Yes Yes Yes Yes


Attribute Value Description
span number Specifies the number of columns a column group should span

Global Attributes

The <colgroup> tag also supports the Global Attributes in HTML.

Event Attributes

The <colgroup> tag also supports the Event Attributes in HTML.

Related Pages

HTML DOM reference: ColumnGroup Object

Default CSS Settings

Most browsers will display the <colgroup> element with the following default values:


colgroup {
  display: table-column-group;
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