*{
	margin:0;
	padding:0;
	}
body {
	background-color:lightgray;
}
a:link, a:visited, a:active{
	text-decoration: none;
}
.galeria_pizarra{
	width: 90%;
	max-width: 1000px;
	margin: 1rem auto;
	column-count: 1;
}
.galeria_item{
	padding: 1em;
	background-color: rgb(240, 224, 238);
	margin-bottom: 1em;
	page-break-inside: avoid;
	break-inside: avoid;
	text-align: center;
	font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
	font-weight: 400;
	font-size: 1.1rem;
	box-shadow: 0 0 8px 0px rgba(0,0,0,0.4);
	border-radius: 1em; 
	transition: transform .3s ;
}
.galeria_item img{
	width: 100%;
}
/*
@media(min-width:100px){
	.galeria_pizarra{
		column-count: 1;
	}
}
@media(min-width:520px){
	.galeria_pizarra{
		column-count: 2;
	}
}
*/	

@media(min-width:768px){
	.galeria_pizarra{
		column-count: 3;
	}
}

@media(min-width:1024px){
	.galeria_pizarra{
		column-count: 4;
	}
	.galeria_item:hover{
		transform: scale(1.1,1.1);
		cursor: pointer;
	}
}