#overlaySwitch {
	display: none;
}
label[for="overlaySwitch"] {
	cursor: pointer;
}
#overlayModalContainer {
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: #FFF;
	z-index: 200;
}
#overlaySwitch:checked + #overlayModalContainer {
	display: block;
}
#overlaySwitch:not(:checked) + #overlayModalContainer {
	display: none;
}