The <fieldset> element
Contains a part of a form, the controls of which are displayed as being grouped together. Browsers draw a box round that part of the form, making a large complex form easier to understand.
Full list of attributes
All the usual HTML global attributes are available
disabled- If present, then this whole field set is disabled, automatically disabling all form controls within it.
form- Explicitly associates a field set with a particular form.
name- The name of this field set.