A fieldset is used to group a set of controls. It is typically used to group several radio or checkbox components together, but can be used to create context for any form control types.
Structure
The legend.ray-fieldset__legend element must be the first child fo the fieldset.
<fieldsetclass="ray-fieldset"><legendclass="ray-fieldset__legend">Fieldset legend</legend><!-- form controls go here --></fieldset>