body{
	text-align: center;
	font-family: sans-serif;
	margin: 0;
}

.modal{
	width: 100%;
	height: 100vh;
	background: rgba(0,0,0,0.5);

	position: absolute;
	top: 0;
	left: 0;

	display: flex;

	animation: modal 2s 3s forwards;
	visibility: hidden;
	opacity: 0;		
}

.contenido{
	margin: auto;
	width: 40%;
	height: 40%;
	background: white;
	border-radius: 10px;
}

#cerrar {
	display: none;
}

#cerrar + label{
	position: fixed	;
	color: #fff;
	font-size: 25px;
	z-index: 50;
	background: darkred;
	height: 	40%;
	width: 	40%;
	line-height: 40%;	
	border-radius: 50px;	
	right: 10%;
	cursor: pointer;

	animation: modal 2s 3s forwards;
	visibility: hidden;
	opacity: 0;			
}

#cerrar:checked + label, #cerrar:checked ~ .modal {
	display: none;
}

@keyframes modal{
	100% {
			visibility: visible;
			opacity: 1;				
	}
}