.tab_gauche {
	text-align:left;
}
.tab_centre {
	text-align:center;
}
.tab_droite {
	text-align:right;
}
.tab_entete {
	background-color:#C2DC31;
	text-align:center;
	font-size:15px;
	font-weight:bold;
}

.tab_conteneur {
	background-color:#EFEFEF;
	text-align:center;
	font-size:13px;
}