.modal {
	width: 100%;
	height: 100vh;
	background: rgba(0,0,0,0,88);
	position:fixed;
	top:0;
	left: 0;
	display: flex;

	animation: modal 2s 1s forwards;
	
	visibility: hidden;
	opacity: 0;
}

.contenidoss{
	margin: auto;
	width: 690px;
	height: 460px;	
	background:black;
	border-radius: 10px;
}


#cerrar {
	display: none;
}

#cerrar + label {
	position: fixed;
	color:#fff;
	font-size:25px;
	z-index: 8040;
	background: darkred;
	height: 35px;
	width:30px;
	line-height: 40px;
	border-radius: 50%;
	right:10px;
	cursor: pointer;
	animation: modal 2s 1s forwards;
	visibility: hidden;
	opacity: 0;
	right: 320px;
	top: 70px;

}

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

@keyframes modal{
	100%{ 

		visibility: visible;
		opacity: 1;

	 }
}