*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body{
	font-family: sans-serif;
	height: 100vh;
	/*background-color: #f4f4f4;*/
}
h2{
	text-align: center;
	padding: 30px 20px;
	color: #555;
	font-size: 40px;
}
.gallery{
	max-width: 900px;
	margin: 30px auto;
}
.gallery img{
	width:  100%;
	display: block;
}
.gallery .large{
	position: relative;
}
.gallery .large .caption{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	font-size: 28px;
	padding: 15px 0;
}
.gallery .large .caption span{
	color: #d4d4d4;
	display: block;
	text-align: center;
	position: relative;
	background-color: rgba(0, 0, 0, 0.3);
	top: 80%;
	padding: 20px 0;
	font-weight: bold;
	letter-spacing: .5px;
}
.gallery .thumb{
	width:  100%;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(100px, auto));
	grid-column-gap: 5px;
	grid-row-gap: 5px;
	margin-top: 10px;
}
.gallery .thumb img{
	cursor: pointer;
	border:  2px solid transparent;
}
.gallery .thumb img:hover{
	border:  2px solid #57f38e;
}
.gallery .thumb img.selected{
	border:  2px solid #57f38e;
}