@media screen {
	:root {
		color-scheme:                   normal;
		--body-background:              white;
		--body-color:                   black;
		--header-color:                 black;
		--pre-background:               #ddd;
		--pre-color:                    #212529;
		--link-color:                   black;
		--nav-active-background:        #ccc;
		--nav-active-color:             #777;
		--nav-color:                    #777;
	}
}

@media screen and (prefers-color-scheme: dark) {
	:root {
		color-scheme:                   dark;
		--body-background:              #222;
		--body-color:                   #9e9e9e;
		--header-color:                 #9e9e9e;
		--pre-background:               #333;
		--pre-color:                    #fff;
		--link-color:                   #87ab63;
		--nav-active-background:        #87ab63;
		--nav-active-color:             #222;
		--nav-color:                    #9e9e9e;
	}
}


* {
	font-family: monospace;
	line-height: 1.25;
}

*, ::after, ::before {
    box-sizing: border-box;
}

body {
	margin: 0 auto;
	max-width: 800px;
	background: var(--body-background);
	color: var(--body-color);
}

a {
	color: var(--link-color);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

header {
	margin: 10px;
}

header h1 {
	color: var(--header-color);
	font-size: 2em;
	font-weight: bold;
	margin-bottom: 0;
}

header p {
	color: #777;
	margin-top: 0;
}

nav {
	margin-top: 2em;
	padding: 0px 1em;
	vertical-align: bottom;
}

nav a {
	color: var(--nav-color);
	text-decoration: none;
	padding: 2px 0.75em;
	font-size: 110%;
}

nav a.active {
	color: var(--nav-active-color);
	background: var(--nav-active-background);
}

nav a.right {
	float: right;
}

main {
	padding: 1em;
}

main {
	padding: 2em;
	text-align: center;
}

main ul h2 {
	margin: .3em 0;
}

main ul {
	display: grid;
	grid-template-columns: auto;
	grid-gap: 1em;
	text-align: center;
	list-style: none;
	padding: 0;
}

.avatar {
	margin-left: auto;
	margin-right: auto;
	border-radius: 100%;
}

@media (min-width: 600px) {
	main ul {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

footer {
	margin-top: 0;
	text-align: center;
	font-size: 1em;
	color: #ccc;
}