/* page */

* {
	font-family: monospace, monospace;
	text-align: justify;
}

html {
	margin: 2em auto 2em auto;
	max-width: 72ch;
}

header {
	margin-bottom: 2em;
}

header ul {
	padding-left: 0;
}

header ul li {
	display: inline-block;
}

header ul li:last-child {
	float: right;
}

footer {
	margin-top: 16em;
	background-color: yellow;
}

/* link */

a, a:hover, a:visited {
	color: blue;
}

/* list */

ul.index {
	padding-inline-start: 0;
}

ul.index li {
	margin: .4em 0 .4em 0;
	display: block;
}

li {
	overflow-wrap: break-word;
}

* li p {
	margin-top: .6em;
	margin-bottom: .6em;
}

* li, p {
	line-height: 1.5em;
}

/* table */

table {
	font-size: .8em;
	overflow: auto;
	width: 100%;
	border-collapse: collapse;
}

table th, table td {
	padding: .4em 1em .4em 1em;
	margin: 0;
	overflow: hidden;
}

/* code */

pre, p code, li code {
	background-color: #eeeeee;
	overflow: auto;
}

/* media file */

img, video {
	max-width: 100%;
}

/* screen size */

@media only screen and (max-width: 72ch) {
	* {
		text-align: left;
	}

	body {
		width: 90%;
	}

	header ul li {
		display: block;
		float: inherit !important;
	}

	table {
		table-layout: fixed;
	}
}