<!-- Internal Jquery-steps js -->
<script src="../../assets/plugins/jquery-steps/jquery.steps.min.js"></script>
<!-- Internal Form-wizard js -->
<script src="../../assets/js/form-wizard.js"></script>
Open form-wizard.js file (assets/js/form-wizard.js) You can see below js
$('#wizard1').steps({
headerTag: 'h3',
bodyTag: 'section',
autoFocus: true,
titleTemplate: '#index#<\/span> #title#<\/span>'
});