img.staff.img-responsive {
    width: unset;
    margin-right: unset;
    margin-bottom: 1em;
}
.staff {
    width: 120px;
    margin-right: 1em;
    margin-bottom: 1em;
}
.img-center {
	display: block;
	margin-right: auto;
	margin-left: auto;	
}