#mycustomscroll {
/* Typical fixed height and fixed width example */
width: 750px;
height: 250px;
overflow: auto;
/* IE overflow fix, position must be relative or absolute*/
position: relative;
background-color: #E7EADE;
margin: 0.3em auto;
padding: 15px;
}

#mycustomscrollingreso {
/* Typical fixed height and fixed width example */
width: 850px;
height: 300px;
overflow: auto;
/* IE overflow fix, position must be relative or absolute*/
position: relative;
background-color: #E7EADE;
margin: 0.3em auto;
padding: 15px;
}