/*
table {border: 1px solid black}
td {border: 1px dotted gray}
div {border: 1px solid orange}
img, form {border: 1px dashed blue}
h1, h2, h3, h4, h5, h6, p {border: 1px solid yellow}
ul {border: 1px solid green}
li {border: 1px solid lightgreen}
*/

body {
	background-color:#e5e5e5;
	margin: 0;
	padding: 0;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #e3e3e3;
	text-decoration: none;
	margin: 0px;
}

p {margin: 0 0 10px 0;}

<!--                               CLASS        -->

.menugauche {
	height:274px;
	margin: 0;
	padding:0;
}

.menugauche li {
	margin-bottom: 5px;
}

.menugauche a {
	margin: 0 2px;
	color: #000000;
	text-decoration: underline;
}

.menugauche a:hover {
	text-decoration: none;
}


.body-contact
{
	padding: 0px;
	margin: 0px;
	background-color: #303030;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #adadad;
	text-decoration: none;
	text-align: justify;
	padding-top: 5px;
	padding-left:10px;
	padding-right:10px;
	border: 0px solid #F00;
}

.mailto {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 11px;
	color: #ADADAD;
	text-decoration: underline;
}

.nav a{
	text-decoration:none;
	color:#777777;
}

.nav a:hover{
	text-decoration:none;
}

<!--                             ID                    -->
#header {
	height: 119px;
	background-color: #ffffff;
}

#conteneur {
	position: relative;
	width: 661px;
	margin: 0 auto; 
	background-color:#303030;
}

#centre {
	background-color:#303030;
	margin-left: 200px;
	height:369px;
	position:relative;
}

#gauche {
	position: absolute;
	left:1px;
	width: 150px;
}

#pied {
	font-family:Arial, Helvetica, sans-serif;
	border-top:1px solid #505050;
	height: 123px;
	background-color: #303030;
	color:#999999;
	font-size:12px;
}

#txt-pied {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 9px;
	color: #bababa;
	text-decoration: none;
}

#flashcontent_menu {
	margin-top:0px;
	height: 274px;
	width:199px;
	float:left;
}

#flashcontent_head {
	height: 104px;
	width:661px;
}

#flashcontent_accueil {
	margin-top:0px;
	height: 370px;
	width:461px;
}

#flashcontent_plan {
	margin-top:0px;
	height: 370px;
	width:461px;
}

#conteneur_defil { 
	border:0px solid #CCCCCC;
	width:661px; 
	margin:0 auto;
	overflow:hidden;
	line-height:normal;
	position:relative;
}

#cadre_defil {
	position:relative; 
	width:661px; 
	height:15px; 
	overflow:hidden;
	background-color:#863d3d;
}

#defile { 
	position:relative;
	width:791px;
	font-family: Arial, Helvetica, sans-serif;
	font-size:11px;
	color:#e7d8d8;
}

#menu_html
{
	color: #F00;
	padding: 14px 0px 0px 0px;
}

#menu_html a
{
	display: block;
	width: 170px;
	height: 24px;
	line-height: 24px;
	font-family: Tahoma, Verdana;
	font-size: 11px;
	color: #adadad;
	font-weight: bold;
	padding-left: 30px;
	text-decoration: none;
	background-image: url(images/menu_row.gif);
	background-position: 0px 0px;
	background-repeat: no-repeat;
}

#menu_html a:hover
{
	display: block;
	width: 162px;
	height: 24px;
	line-height: 24px;
	font-family: Tahoma, Verdana;
	font-size: 11px;
	color: #adadad;
	font-weight: bold;
	padding-left: 38px;
	text-decoration: none;
	background-image: url(images/menu_row_sel.gif);
	background-position: 0px 0px;
	background-repeat: no-repeat;
}

#menu_html .sel
{
	display: block;
	width: 162px;
	height: 24px;
	line-height: 24px;
	font-family: Tahoma, Verdana;
	font-size: 11px;
	color: #adadad;
	font-weight: bold;
	padding-left: 38px;
	text-decoration: none;
	background-image: url(images/menu_row_sel.gif);
	background-position: 0px 0px;
	background-repeat: no-repeat;
}