<div id="example-2" style="overflow-y: auto; height: 100px; width: 100%; text-align: center"> const smoothScroll = new mdb.SmoothScroll(document.getElementById('scroll'));<div id="example-2" style="overflow-y: auto; height: 100px; width: 100%; text-align: center"> const smoothScroll = new mdb.SmoothScroll(document.getElementById('scroll'));