#navigation {
	background: #003300;
	width: 770px;
	height:90px;
	font-family: Arial, Verdana, serif;
	font-size:16px;
	border-bottom: solid #9cff2b 2px;
	
}

#logo {
	position:absolute;
	z-index:10;
	padding-left: 15px;
	background-color:#003300;
}

#logo a {
	background-color:#003300;
}

#logo img,
#logo_partenaires img,
#logo_float img {
	border:0;
}

#logo_partenaires {
	margin-top: 8px;
	float:right;
	padding:2px;
	
}

#logo_partenaires a {
	background-color:#003300;
}


#logo_float {
 float:right;
 margin-top: 7px;
 padding:2px;
}

#logo_float a {
	background-color:#003300;
}


#menu {
	margin: 44px 0 0 20px;
	list-style: none;
	position:absolute;
	z-index:20;
	width:588px;
	padding:0;
}

.niveau1 {
	float: left;
	list-style: none;
	width: 147px;
	margin:0px;
	padding:0px;
	height:46px;
}


.niveau1 a {
	width: 147px;
	background:url("http://www.ecole-nicolas-hulot.org/menu_ecole/images_menu/onglet.png") no-repeat top;
	margin: 0;
	float: left;
	padding: 0;
	height:46px;
	color: white;
	text-align:center;
	display: block;
	color: white;
	text-decoration: none;
	
}

.niveau1 a:hover, .niveau1 a:active, .niveau1 a:focus {
	background:url("http://www.ecole-nicolas-hulot.org/menu_ecole/images_menu/onglet.png") no-repeat bottom;
	color: #003300;
	height:46px;
}


.texte_milieu {
	line-height: 48px;
}

.texte_milieu02 {
	line-height: 24px;
}



.niveau2 {
	padding-left: 3px;
	list-style: none;
	width: 142px;
	visibility: hidden;
	background-color: #9cff2b;
	clear: both;
}

.niveau2 li {
	border-bottom: solid #9cff2b 2px;
	display:inline;
	
}

.niveau2 a {
	border-bottom: solid #9cff2b 2px;
	display:inline;
	background-image:none;
	background-color:#5ac500;	
	height:auto;
	padding: 3px 0;
	width: 142px;
}

.niveau2 a:hover, .niveau2 a:active,  .niveau2 a:focus {
	background-image:none;
	background-color:#a5ff23;
	height:auto;
	padding: 3px 0;
}