.gallery 
{
	margin: 10px 50px;
	width: 90%;
	
}


.gallery img 
{
	width: 270px;
	height: 270 px;
	padding : 10px;
	filter: grayscale(100%);
	transition: 1s;
	
}

.gallery img:hover
{
	filter: grayscale(0%);
	transform : scale(1.1);
	
}