#mycustomscroll {
/* Typical fixed height and fixed width example */
width: 333px;
height: 50px;
overflow: auto;
/* IE overflow fix, position must be relative or absolute*/
position: relative;
background-color: black;
margin: auto;
padding: 15px;
text-align: left;
}

#mycustomscroll2 {
/* Typical fixed height and fixed width example */
width: 90px;
height: 310px;
overflow: auto;
/* IE overflow fix, position must be relative or absolute*/
position: relative;
background-color: black;
margin: 49px auto;
padding: 15px;
text-align: left;
}