.th {
	width: 20%;
}

.selectionne {
	background-color: #aadddd;
}

.preselection {
	background-color: #ddefff;
	border-radius: 5px;
	padding: 7px;
	text-align: center;
}

.hidden {
	display: none;
}

.visible {
	display: inline;
}