HTML <colgroup> tag

HTML <colgroup> tag specifies group of column within an HTML table. It is used a parent container of one or more <col> elements to apply different properties in an HTML table.

NOTE: The <colgroup> tag must be used with <table> element after the <caption> and before <thead> or <tbody> elements.

Syntax

Following are some specifications about the HTML <colgroup> tag

Display	None
Start tag/End tag	Start tag and End Tag
Usage	HTML tables

Example

<!DOCTYPE html>
<html>
<head>
	<title>Colgroup tag</title>
</head>
<body>
<h2>Example of Colgroup Tag</h2>
<table border="1">
	<colgroup>
		<col  style="background-color: green" width="40">
		<col span="2" style="background-color:	#ff7256" width="80">
	</colgroup>
	<tr>
		<th>Sr.No</th>
		<th>Product</th>
		<th>Price</th>
	</tr>
	<tr>
		<td>1</td>
		<td>Rice</td>
		 <td>85</td>
	</tr>
	<tr>
		<td>2</td>
		<td>Butter</td>
		 <td>260</td>	
	   </tr>
	<tr>
		<td>3</td>
		<td>Mango</td>
		 <td>125</td>
	</tr>
</table>
</body>
</html>

Test it Now

Output:

Attributes

Attribute	Value	Description
align	left center right justify char	It specifies the alignment of the column content. (Not supported in HTML5).
char	character	It specifies the alignment of the content in a column group to the character. (Not supported in HTML5).
charoff	number	It sets the number of characters to offset the column data from the alignment character specified by the char attribute. (Not supported in HTML5).
span	number	It specifies the number of columns a colgroup should span.
valign	top middle bottom baseline	It specifies the vertical alignment of the column group. (Not supported in HTML5).
width	% Pixels relative_length	It specifies the width of the group of column. (Not supported in HTML5).