body {
	background-image: url('../images/00_fond.jpg');
	background-repeat: no-repeat;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	margin-left: 0px; 
	margin-right: auto;
	position: relative; 
	width: 750px; 
}
div#menu {
	position:absolute; 
	left: 60px; 
	top: 60px; 
}
div#header {
	position:absolute; 
	left: 200px; 
	top: 0px; 
}
.header-title {
	color: #ff822f; 
	font-weight: 900; 
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	padding-left: 10px;
}
div#content {
	position:absolute; 
	left: 210px; 
	top: 80px;
	color: gray;
}
div#footer {
	position:absolute; 
	left: 200px; 
	top: 470px; 
	color: #ff822f;
	font-size: 11px;
	text-align:center; 
}
div#detection_gaz {
	position:absolute; 
	left: 100px; 
	top: 100px; 
	color: red;
	font-size: 11px;
	text-align: left; 
}
h1 {
font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px; 
	color: #ff822f;
	text-align: left;
	vertical-align:bottom;
}
h2 {
font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px; 
	text-align: left;
}
h3 {
font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px; 
	color: #9F9F9D;
	text-align: left;
}
a {
	color:gray; 
	font-family: Verdana, Arial, Helvetica, sans-serif;
}
a.blinks {
	color:gray; 
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal; 
	text-decoration: none;
	}