body, div, ul { margin: 0; padding: 0; }

html 
{ 
  margin:0;
  padding:0;
  background: url('pic/ecossais.jpg') no-repeat fixed center; 
  -webkit-background-size: cover; /* pour anciens Chrome et Safari */
  background-size: cover
}

body{background-color: 33FF99;}
          


span.reference{
	font-family:Arial, Helvetica, sans-serif;
	display:block;
	font-size:18px;
	font-weight: bold;
	text-align:center;
	margin-top: 10px;
	margin-bottom:10px;
}

.contenu { width: 850px; 
		   height : 650px;
			margin-left: auto;
			margin-right: auto;
			margin-top: 2px;
			margin-bottom:30px;
           padding: 10px;  
		   padding-left: 30px;
           background-color: 33FF99;
		   overflow: auto;
		   font-size:18px;
}


.pied { clear: both;
        padding: 1px; 
		background-color: 33FF99;
}