*{
margin: 0; /*--configuracion de bordes y margen--*/
padding:0;
box-sizing: border-box;
	
}
body {
	padding: 100px 10px;
	background-image: url(../fotos/fondos/negativo.jpg);
	position: absolute;
}
#historia {
	padding: 0px 10px;;
	text-align: center;
	color:black;
	font-size: 20px;
	margin: 20px;
}

.contenedor-galeria { /*--galeria de imagenes historia--*/
	display: flex;
	flex-wrap: wrap;
	margin: auto;
	justify-content: center;

	/*	max-width: wrap;*/


}
.galeria__img {
	margin-top: 270px;
	width: 500px;
	height: 190px;

	filter: brightness(100%);
	filter: sepia(100);
	animation: escalar 2.5s infinite alternate;

}
.galeria__img3 {
	margin-top: 240px;
	width: 500px;
	height: 190px;

	padding: 0px 5px;
	filter: brightness(100%);
	filter: sepia(100);
	animation: escalar 2.5s infinite alternate;

}
.galeria__img4 {
	margin-top: 220px;
	width: 500px;
	height: 190px;
	filter: brightness(100%);
	filter: sepia(100);
	animation: escalar 2.5s infinite alternate;

}
@keyframes escalar {
	to{
		transform: scale(1);
	}
	from {
		transform: scale(1.05);
	}
}
footer {
	margin-top: 350px;
	padding:0;
}