body{
}

.modal{
	width: 100%;
	height:100vh;
	background: rgba(0,0,0,0,8);	
	position: absolute;
	top:0;
	left:0;	
	display: flex;	
	animation: modal 10s 1s;
	visibility: hidden;
	opacity:0;
}

.contenido{
	margin: auto;
	width: 80%;
	height:40%;
	background: white;
	border-radius: 6px;
}

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