body{
	font-family: sans-serif;
}
h1{
	text-align:center;
	font-family:Arial, Helvetica, sans-serif;
	font-size:20px;
	font-weight:200;
	margin:3px 0 3px;
	color:#000000;
	background-color:silver;
	padding:5px;
}
.gallery{
	margin:5px 3px;
}

.gallery img{
width:150px;
padding:2px;
}
.gallery img:hover{
	background-color:black;

}