body {
	background-image: url(images/back_blanc.jpg);
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}

.Noir20 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 26px;
	color: #1F2024;
}
.blanc16 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 16px;
	color: #FFFFFF;
}
.verttitre {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 24px;
	color: #2E6635;
}
.verttitre18 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 18px;
	color: #4A7F53;
}
.blanc12 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #FFFFFF;
}
a.blanc12:hover {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #FFFFFF;
}
.blanc14 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	color: #FFFFFF;
	font-weight:bold;
	background-image:url(images/back_vert.jpg)
}
a.blanc14:hover{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	color: #FFFFFF;
	font-weight:bold;
	background-image:url(images/back_vert_sel.jpg)
}

.arial0 {
	font-family: Arial;
	font-size: 10px;
}
.gris12 {
	font-family: Arial;
	font-size:12px;
	color:#333333;
}
<!-- Page visiter -->
.visiter
{
}

.visiter h1
{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 35px;
	color: #4A7F53;
	text-align:center;
	font-weight:normal;
}
.visiter h2
{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 25px;
	font-weight:normal;
	color: #666666;
	text-align:center;
}
<!-- Page description -->
.descriptionfile
{

}

.descriptionfile p
{
	font-family: Arial;
	font-size:12px;
	color:#333333;
	text-align:justify;
}

.descriptionfile h1
{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 25px;
}
.descriptionfile h2
{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 16px;
	font-weight:normal;
	color: #4A7F53;
}

.descriptionfile h3
{
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	color: #990000;
}