html {
	font-size: 16px;
}

body {
	background-color: #b0b0b0;
	font-family: sans-serif;
}

img {
	border: 2px solid black;
	border-radius: 25px;
	display: block;
	margin: auto;
}

img.portrait {
	width: 50%;
}

p, h1, h2 {
	text-align: center;
	color: black;
	padding-left: 10%;
	padding-right: 10%;
}

h1 {
	font-variant: small-caps;
}

a {
	transition: opacity 1s, color 1s;
	font-size: 2rem;
}

a:link, a:visited {
	background-color: black;
	color: gray;
	opacity: 0.5;
	text-decoration: none;
	padding: 14px 25px;
	display: inline-block;
	border: 1px solid black;
	border-radius: 3px;
}

a:hover, a:active {
	background-color: black;
	color: white;
	opacity: 0.4;
}

.center {
	display: flex;
	justify-content: center;
	align-items: center;
}