.gallery-grid-row {
	display: flex;
	flex-wrap: wrap;
	padding-bottom: 25px;
	margin: 0 4px;
}

.gallery-grid-column {
	flex: 100%;
	max-width: 100%;
	padding: 2px;
}

.gallery-grid-column img {
	width: 100%;
	vertical-align: middle;
	margin-top: 8px;
	cursor: pointer;
	filter: grayscale(100%) contrast(100%);
	transition: 1s ease ;

}

.gallery-grid-column img:hover {
	filter: grayscale(0%) ;
}

@media only screen and (min-width: 576px) {
	.gallery-grid-column {
		flex:  50%;
		max-width: 49.5%;
		margin: 0 0.2%;
	}

	.gallery-grid-column {
		padding: 0 4px;
	}
}

/* Medium devices (tablets, 768 and up) */ 
@media only screen and (min-width: 768px){
	.gallery-grid-column {
		flex:  24.5%;
		max-width: 25%;
	}

	.gallery-grid-row {
		max-width: 1200px;
		margin:  0 auto;
	}

}

/* Large devices (desktops, 992px and up) */
@media only screen and (min-width: 992px){

}