fieldset and legend
Used to group related choices and even sets.
fieldset and legend elements can further help group related input fields.
Example
3.13 - Form fieldset and legend elements - Example 3.13
<form method="get" action="https://cscie12.dce.harvard.edu/echo">
<div>
<fieldset>
<legend>Name </legend>
<label for="fname">First Name </label>
<input type="text" name="fname" id="fname" size="30"/>
<br/>
<label for="lname">Last Name </label>
<input type="text" name="lname" id="lname" size="30"/>
<br/>
</fieldset>
<fieldset>
<legend>Sports </legend>
<fieldset>
<legend>Do you like basketball? </legend>
<input type="radio" name="basketball" id="basketball_yes" value="Y"/>
<label for="basketball_yes">Yes </label>
<br/>
<input type="radio" name="basketball" id="basketball_no" value="N"/>
<label for="basketball_no">No </label> </fieldset>
<fieldset>
<legend>Do you like baseball? </legend>
<input type="radio" name="baseball" id="baseball_yes" value="Y"/>
<label for="baseball_yes">Yes </label>
<br/>
<input type="radio" name="baseball" id="baseball_no" value="N"/>
<label for="baseball_no">No </label> </fieldset> </fieldset>
<input type="submit" value="Submit"/>
</div>
</form>