.item-library-dialog .item.selected {
	background-color: #e4e4e4;
}

.item-library-dialog .category-header {
	font-size: 16px;
}

.item-library-dialog .category-header iron-icon {
	transition: transform 0.3s ease;
}

.item-library-dialog .category-header iron-icon.open {
	transform: rotate(90deg);
}

.item-library-dialog table {
	border-collapse: collapse;
}

.item-library-dialog .library-item td {
	position: relative;
}