gistfile1.css

html, body {
	padding: 0;
	margin: 0;
	height: 100%;    /* so that the page is "defined" to be 100% */
}
#page {
	position: relative;
	min-height: 100%;  /* this way the page div stretches to occupy even a short page */
}
#content {
	padding-bottom: 100px; /* account for overlapping footer */
}
#footer {
	position: absolute;
	bottom: 0;      /* position footer at bottom of page, overlapping content div */
	height: 100px;  /* same value from above */
}