.single-chapter .site-article {
	-webkit-user-select: none;
	-webkit-touch-callout: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

@media all and (min-width: 901px) {
	.single-chapter .site-sidebar .title-sidebar {
		display: none;
	}
}