.grostitre {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 24px;
	font-weight: bold;
}
.petittitre {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: bold;
}
.txt {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	text-align: justify;
}