.medium span{
	width: 150px;
	float: left;
	display: block;
	font-weight: bold;
	margin-right: 10px;
}

.large input[type=text], input.large {
	width: 300px;
	margin: 0 0 5px 0;
}
.xlarge input[type=text], input.xlarge, .xlarge textarea {
	width: 600px;
	margin: 0 0 5px 0;
}
.xlarge textarea{
	height: 200px;
}

label{
	width: 150px;
	display: block;
	float:left;	
}
label.obligatoire{
	font-weight: bold;
}