html, body {
	height: 100%; margin: 0;
}
.wrapper {
	min-height: 100%;
	height: auto !important;
	height: 100%;
	margin: 0 auto -20px; /* the bottom margin is the negative value of the footer's height */
}
.footer {
	height: 20px; /* .push must be the same height as .footer */
}

.push {
	height: 20px; /* .push must be the same height as .footer */
}