Grouping Form Data with <fieldset>
The <fieldset> element is used to group related data in a form.The <legend> element defines a caption for the <fieldset> element.
Example
<form action="/action_page.php">
<fieldset>
<legend>Valuable
information:</legend>
First name:<br>
<input type="text" name="firstname"
value="Mickey"><br>
Last name:<br>
<input type="text" name="lastname" value="Mouse"><br><br>
<input type="submit" value="Submit">
</fieldset>
</form>
