.centrer {
	text-align:center;
}
.gros{
	font-size:2em;
}
.marge{
	margin:10px;
}
.largeur150{
	width:150px;
}
.boutoncalendrier {
	margin:0px;
	border: 0px;
	height: 30px;
	width:40px;
}