body {
	background-color: #eeeeee;
	font-family: sans-serif;
}

main {
	margin: 50px;
}

.page-codes {
	background-color: #ffffff;
	padding: 20px;
	margin: 10px;
}

pre {
	background-color: #f7f7f7;
	border: 1px solid #e1e1e1;
	margin-top: 2px;
}

.code-number {
	font-size: 10px;
	color: #bbb;
	margin-bottom: 0px;
}

.lab-title {
	font-size: 15pt;
}

.toggler {
	font-weight: bold;
	margin-left: 10px;
	text-decoration: underline;
	cursor: pointer;
}

.pages {
	height: 50px;
	margin: 20px 0;
	overflow: hidden;
	transition: height: 0.3s ease;
}