* {
	margin: 0;
}
html, body {
	height: 100%;
}
.wrapper {
	min-height: 100%;
	height: auto !important;
	height: 100%;
	margin: 0 auto -64px; /* the bottom margin is the negative value of the footer's height */
}
.footer, .push {
	height: 64px; /* .push must be the same height as .footer */
}

.overlay {
	display: none;
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	background: black;
	opacity: 0.8;
}

.popup {
	display: none;
	position: fixed;
	top: 24%;
	left: 25%;
	right: 25%;
	height: 240px;
	background: white;
	box-shadow: 0px 0px 10px;
	min-width: 300px;
	text-align: center;
	padding: 25px 0;
}

.popup h3, .popup input {
	font-size: 22px;
	width: 85%;
	margin: 0 auto 25px;
	display: block;
	text-align: center;
}
.popup input[type="submit"] {
	border: 1px solid #215380;
	background: #3993e2;
	color: white;
	padding: 10px;
	font-weight: bold;
}