body{
		font-family: verdana, Arial, Helvetica, sans-serif;
		background-color: #CCCCCC;
}
h1{
		text-align: center;
		color: gray;
		margin: 20px 0 30px;
}


.wrapper {

  		display: flex;
  		justify-content: center;
  		background-color: grey;
		align-items: center;
}

.gallery img{
		width: 200px;
		padding: 15px 10px 15px 5px;
		filter: grayscale(50%);
		transition: ls;
}
.gallery img:hover{
		filter: grayscale(100%);
		transform: scale(1.1);
}
.nav{
		text-align: center;
		color: lightgrey;
		margin: 10px 0 10px;
}
.navbottom{
		position: fixed;
		height: 30px;
		bottom: 0;
 		width: 100%;
		color: darkgrey;
		text-align: center;
		font-size: 15px;
		padding-top: 10px;
		margin: 10px 0 0px;
		background-color: white;
		opacity: 0.9;
}