How to stick element at the bottom of the page (HTML5 and CSS3)?

Question

When I use position relative with no content, footer goes up, with absolute with a lot of content, the footer goes down, and with f

Answer 1

I would use this in HTML 5... Just sayin

#footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 60px;
  background-color: #f5f5f5;
}