.popup-overlay-shade {
	position: fixed;
	z-index: 100;
	width: 100%;
	height: 100%;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.2);
}
.popup-overlay-container {
	background: white;
	position: fixed;
	z-index: 101;
	width: 100%;
	max-width: 40rem;
	max-height: 100%;
	overflow: auto;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	padding: 1.5rem 2rem;
	box-sizing: border-box;
	box-shadow: 0 0 3em rgba(0, 0, 0, 0.5);
}
.popup-overlay-shade,
.popup-overlay-container {
	display: none;
}
.popup-overlay-shade.shown,
.popup-overlay-container.shown {
	display: block;
}
.popup-overlay-close {
	text-align: center;
	position: absolute;
	right: 0;
	top: 0;
	background: #f66;
	color: white;
	width: 3.5rem;
	height: 1.75rem;
	line-height: 1.75rem;
	cursor: pointer;
}
.popup-overlay-close:hover {
	background: red;
}