#hautpage {
	position: fixed;
	right: 25px;
	display:block;
	height:57px;
	width:49px;
    cursor: pointer;
	background-image:url("arrow.png");
	background-repeat:no-repeat;
	background-color:#000; /*couleur de fond du bouton*/
	z-index:99999;
	-moz-opacity: 0.70;
	-khtml-opacity: 0.70;
	opacity: 0.70;
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha"(Opacity=70);
	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=70);
	filter:alpha(opacity=70);		
	-webkit-border-radius: 8px 8px 0 0;
	border-radius: 8px 8px 0 0;
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	-ms-transition: all 0.3s ease;
	-o-transition: all 0.3s ease;
	transition: all 0.3s ease;
}
#hautpage:hover{
	bottom:0;
	-moz-opacity: 1;
	-khtml-opacity: 1;
	opacity: 1;
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha"(Opacity=100);
	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=100);
	filter:alpha(opacity=100);
}
.hautpage_open{
	bottom:-10px;	
}
.hautpage_close{
	bottom:-100px;
}