Overlay divs on scroll

Question

Instead of scrolling down the page to view a bunch of divs, I would like them to overlay in the same place-- one stacked on top the next -- when you scroll. So, you would sc

Answer 1

Use position fixed instead of absolute:

.container1 {
    position: fixed;
    z-index: 1;
}
.container2 {
    position: fixed;
    z-index: 2;
}