code {
	background-color: #f1f1f1;
	padding: 2px;
	font-size: 105%;
	border-radius: 5px;
}

.main-center {
	display: flex;
	justify-content: center;
	text-align: center;
}

.section {
	margin: 8px;
	padding: 8px;
	border: 2px solid gray;
	border-radius: 8px;
}

.collapsible-button {
	cursor: pointer;
	padding: 18px;
	width: 100%;
	border: none;
	text-align: left;
	outline: none;
	background: lightgray;
}

.collapsible-content {
	display: none;
	overflow: hidden;
	padding-top: 18px;
	background: gray;
}