*{
	margin: 0;
	padding: 0;
}
html,body{
	width: 100%;
	height: 100%;
}
body{
	overflow: hidden;
	background-color: #990000; 
}
img{
	display: block;
	margin-left: auto;
	margin-right: auto;
}

#presentation{
	width: 100%;
	display: inline-block;
	vertical-align: top;
}

#tribord{
	position: fixed;
	margin-top: 5%;
	margin-left: 5%;
	width: 45%;
}
.panneau{   
	width: 90%;
}

#babord{
	position: fixed;
	margin-top: 5%;
	margin-left: 40%;
	margin-right: 5%;
	width: 55%;
}
.cocker{
	width: 40%;
}
.poursuivre{
	width: 15%;
	margin-top: 2%;
}
.poursuivre:hover{
	width: 20%;
}