body {
	background-image: url(../img/fond.jpg);
	background-repeat: no-repeat;
	background-position: 50% 50%;
	background-attachment: fixed;
	  background-repeat: no-repeat;
	  background-size: cover;
	  -moz-background-size: cover;
}

.main-container {
	height; auto;
	font-family: 'verdana',sans-serif;
}

h1 {
	font-family: 'Hammersmith One', sans-serif;
}

show-grid {
	background-color: gray;
}

.presentation {
	margin-top: 200px;
	color : white;
	text-align: justify;
}