/**
 * @brief Define the appearance of the submenus in the hamburger menu.
 */
#sidr ul li ul
{
	background-color: #e9e6cd;
}
#sidr ul li ul li
{
	max-height: 0;
	transition: max-height .5s ease;
	overflow: hidden;
}
#sidr ul li ul.expanded li
{
	max-height: 48px;
	display: block;
}