How can I make the contents of a table cell overflow vertically without also expanding the table cells height?

Question

I have a table cell with a div inside. I want the div to overflow outside of the table cell. How can I make this happen? To be clear, I don\'t want the

Answer 1

.overflow {
    height: 100px;
    width: 100px !important;
    overflow-y: scroll;
}