.coral3-ColumnView--selection coral-columnview-item-thumbnail{background-color:white;border:1px solid #f1f1f1;height:3rem;position:relative}
.coral3-ColumnView--selection coral-columnview-item-thumbnail img{bottom:0;height:auto;left:0;margin:auto;max-height:3rem;position:absolute;right:0;top:0}