main {
	text-align:center;
	font-size:1.4rem;
	font-family:"Times New Roman", Times, serif;
}
a {
	color:black;
	text-decoration:none;
	filter:grayscale();
}
a:hover {
	color:initial;
	text-decoration:overline;
	filter:none;
}
p {
	margin:200px
}
img {
	width:100%;
}
div {
	display:flex;
	justify-content:center;
}
nav ul {
	display:flex; flex-direction:row; flex-wrap:wrap; 
	margin:0;
	padding:0;
	list-style-type:none;
}
nav li::after {content:"|"; padding-inline:6px;}