:root {
	font-family: system-ui, sans-serif;

	--dark-1: rgb(64, 64, 64);
	--dark-2: rgb(128, 128, 128);

	--dark-3: rgb(192, 192, 192);
	--dark-4: rgb(255, 255, 255);

	background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.6)), url(../img/bg.png) !important;
	background-size: 100vw 100vh, 250px 250px !important;
	background-repeat: repeat, repeat !important;
	background-attachment: fixed, scroll !important;
}

section {
	max-width: 90vw;
	width: 800px;
	margin-left: auto;
	margin-right: auto;
	background: rgb(255, 255, 255);
	border: solid rgb(200, 200, 200) 2px;
	border-radius: 10px;
	padding: 15px;
}

a {
	text-decoration: none;
}

section#area-main {
	width: 90vw;
	margin-top: 15px;
}

sub {
	color: rgb(33, 156, 70)
}

h1 {
	margin-top: 0;
}

.content {
	background: var(--dark-4);
	max-width: 95vw;
	padding: 10px;
	width: 800px;
	margin: auto;

}

input {
	padding: 0.2rem;
	margin: 0.2rem;
	display: block;
	border: solid var(--dark-2) 1px;
	border-radius: 0.2rem;
}

.header {
	background: var(--dark-1);
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	position: sticky;
	top: 0;
}

img {
	height: 3rem;
	margin: 0.5rem;
	display: block;

	width: 40vmin;
	height: auto;
}

.header a {
	margin: 0.5rem;
}

.header a {
	color: var(--dark-4);
}

pre {
	overflow: scroll;
}

#area-main {
	display: flex;
	flex-wrap: wrap;
}

.proj {
	text-align: center;
	max-width: 240px;
	margin: 10px;
}

.proj img {
	width: 240px;
}

.eras, .contributors {
	overflow: scroll;
	height: 180px;
}

.eras a {
	margin-right: 10px;
}