Integration_ScrollBar

scrollBar.css

.scrollbar
{
	margin-left: 30px;
	float: left;
	height: 300px;
	width: 65px;
	background: #F5F5F5;
	overflow-y: scroll;
	margin-bottom: 25px;
}

.force-overflow
{
	min-height: 450px;
	height: 30vh;
}

#wrapper
{
	text-align: center;
	margin: auto;
}

.scrollbar::-webkit-scrollbar-track
{
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
	background-color: #F5F5F5;
}

.scrollbar::-webkit-scrollbar
{
	width: 6px;
	background-color: #F5F5F5;
}

.scrollbar::-webkit-scrollbar-thumb
{
	background-color: #757575;
}

scrollBar.js

 <div id="wrapper">
    <div class="scrollbar" id="scrollbar">
      <div class="force-overflow"></div>
    </div>
</div>