html {
	font-size: 100%;
	-webkit-text-size-adjust: 100%;
	-ms-text-size-adjust: 100%;
}
body {
	margin: 0;
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	font-size: 13px;
	line-height: 18px;
	color: #333;
	background-color: #fff;
}
.box{
  text-align: center;
  }
.main{
  background: url('image/main.png') no-repeat;
  background-size: 100% 100%;
  height: 80%;
  width: 80%;  
  margin-left: auto;
  margin-right: auto;
}
.titre{
	background: url('image/titre.png') no-repeat;
	width: 100%;
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	font-size: 50px;
	line-height: 60px;
	text-align: center;
	color: #333; 
}