body::before{
	background-image:url(../images/fond_dressing.png);	
}
header{	
	top:calc(150 / 800 * 100%);			
	left:calc(1134 / 1800 * 100%);	
	opacity:0;	
	transition-property:top, opacity;	
	transition-duration:2s, 0s;
	transition-timing-function:ease-out, linear;
	transition-delay:1.5s, 1.5s;
}
body.loaded header{
	top:calc(250 / 800 * 100%);			
	opacity:1;	
}
section{
	width:500px;
	top:calc(100 / 900 * 100%);	
	left:calc(0 / 1800 * 100%);
	opacity:0;		
	transition-property:left, opacity;	
	transition-duration:2s, 0s;
	transition-timing-function:ease-out, linear;
	transition-delay:1s, 1s;	
}
body.loaded section{
	left:calc(100 / 1800 * 100%);
	opacity:1;	
}
nav{
	left: calc(100% - 20px);
	top: 30%;
}
.mark{	
	bottom:auto;
	top:5%;	
}