.refer {
	background-attachment: fixed;
	background-image: url(images/inter_07.jpg);
	background-repeat: no-repeat;
}
.basref {
	background-image: url(images/inter_13.jpg);
	background-attachment: fixed;
	background-repeat: no-repeat;
}
.milieref {
	background-image: url(images/interface1_10.jpg);
	background-repeat: repeat-y;
}
.txt {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
}
.text1 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #FFFFFF;
}
.tec {
	background-attachment: fixed;
	background-image: url(images/techn.jpg);
	background-repeat: no-repeat;
}
.interim {
	background-attachment: fixed;
	background-image: url(images/interim.jpg);
	background-repeat: no-repeat;
}
.net {
	background-attachment: fixed;
	background-image: url(images/nettoyage.jpg);
	background-repeat: no-repeat;
}

.dddd {
	background-attachment: fixed;
	background-image: url(images/ser4d.jpg);
	background-repeat: no-repeat;
}