img{
	border: 1px solid #ddd; /* gray border */
	border-radius: 4px; /* rounded border */
	padding: 2px; /* some padding */
	width: 25vw; /* set width to 25% of screen width */
	height: auto;
}

/* add a hover effect (blue shadow) */
img:hover {
	box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
}

footer{
	position: fixed;
	left: 0;
	bottom: 0;
	width: 100%;
	background-color: white;
	color: black;
	text-align: center;
}

.flex-parent {
	display: flex;
}

.flex-child {
	flex: 1;
}