How do I automatically stack divs vertically inside a parent?

Question

Here\'s what I am trying to accomplish...

1. \"parent\" has position:relative
2. \"div 1-3\" have position:absolute

However, whenever I do this,

Answer 1

Div elements are block elements, which means that they will take a full row and that any element next to them will skip a line. Just do:

If that does not work, you probably need to put them in display: inline-block;