body {
    background-color: #202020;
    color: #f9f9f9;
    margin: 1em auto;
    max-width: 80ch;
    padding: 10px;
    line-height: 1.4;
}
body {
	text-align: center;
}
body img {
	display: block;
	margin-left: auto;
	margin-right: auto;
    height: auto;
    max-width: 100%;
}
header {
	text-align: center;
}
a {
    color: #f9f9f9;
}
nav {
	text-align: center;
}
nav a {
	padding: 5px 10px;
}
nav a img {
	width: 16px;
	height: 16px;
	display: inline-block;
	margin: 0 4px 0 0;
}
hr {
	margin: 2em 0px;
}
article {
	background-color: #282a33;
	padding: 20px;
	border-radius: 25px;
	text-align: left;
}
article img {
	display: block;
	margin-left: auto;
	margin-right: auto;
    height: auto;
    max-width: 100%;
	border-radius: 25px;
}
article audio {
	display: block;
	margin-left: auto;
	margin-right: auto;
    height: auto;
    max-width: 100%;
}
#TOC {
    position: relative;
}
#TOC:before {
    content: 'Table of Contents';
    display: block;
    font-weight: bold;
    padding: 5px;
    position: relative;
}
.date {
    color: grey;
}
.container {
	max-width: 800px;
	margin: auto;
}
p code, li code {
	background-color: #202020;
    padding: 1px 2px;
}
footer {
	text-align: center;
}