body{
	font-family: system-ui, "Segoe UI", Roboto;
	color: #333741;
	margin-bottom: 80px;
}

h1{
	font-size: 40px;
	margin-top: 50px;
}

h2{
	margin-top: 36px;
}

h3{
	font-size: 30px;
	margin-top: 24px;
}

p{
	font-size: 20px;
	font-weight: 400;
	line-height: 30px;
	margin-bottom: 24px;
}

ul, ol{
	font-size: 20px;
	font-weight: 400;
	line-height: 30px;
	margin-bottom: 24px;
}

#content_container{
	max-width: 700px;
	margin: 0 auto;
}

.media_container{
	margin-top: 36px;
	margin-bottom: 36px;
	text-align: center;
}

.media_container > a > img{
	width: 600px;
	margin: 0 auto;
	display: block;
	margin-bottom: 7px;
}

pre{
	width: 550px;
	margin: 0 auto;
	padding: 24px;
	border: 1px solid #ddd;
}

#back_link a{
	text-decoration: none;
	color: #6d6d6d;
	font-weight: bold;
	font-size: 18px;
}

.youtube iframe{
	width: 600px;
	height: 340px;
	margin: 0 auto;
	display: block;
	margin-bottom: 7px;
}

.warning{
	border: 2px solid #ff3333;
	padding: 8px;
	background-color: #ffdddd;
}