From http://www.w3schools.com (Copyright Refsnes Data)

HTML <legend> tag

Example

Group related elements in a form:

<form>
<fieldset>
    <legend>Personalia:</legend>
    Name: <input type="text" size="30" /><br />
    Email: <input type="text" size="30" /><br />
    Date of birth: <input type="text" size="10" />
</fieldset>
</form>

Try it yourself!

Definition and Usage

The <legend> tag defines a caption for the fieldset element.

Browser Support

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

Differences Between HTML and XHTML

The align attribute was deprecated in HTML 4.01, and is not supported in XHTML 1.0 Strict DTD.

Optional Attributes

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute	Value	Description	DTD
align	top bottom left right	Deprecated. Use styles instead. Specifies the alignment of the caption in a fieldset	TF

Standard Attributes

id, class, title, style, dir, lang, xml:lang, accesskey

For a full description, go to Standard Attributes.

Event Attributes

onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup

For a full description, go to Event Attributes.