html {
  background: url("back.jpg") no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}



#Main {
	background-color : #000000;
	min-height: 100vh;
	width : 70%;
	margin:auto;
	min-width:600px;
}

h1 {
	color : #ffffff;
	font-family: 'Helvetica Neue',sans-serif;
	font-size: 4em;
	font-weight: bold;
	letter-spacing: -1px;
	margin:auto;

}



h2 {
	color : #aaaaaa;
	font-family: 'Helvetica Neue',sans-serif;
	font-size: 1.5em;
	letter-spacing: -1px;
	margin:auto;
}

h3 {
	color : #000000;
	padding:10px;
	font-family: 'Helvetica Neue',sans-serif;
	font-size: 1.2em;
	letter-spacing: -1px;
	margin:auto;
	border-left: 10px solid #FFCC00;
	border-radius:10px;
    background-color: lightgrey;
}
#logo {
	width:170px;
	float:left;
}
#titre2 {
    padding:20px;
	display: inline-block;
    margin:0 auto;
}
.servers{
	margin-bottom:30px;
    padding: 10px;
    border: 2px solid #aaaaaa;
    border-radius: 10px;
}