@media only screen and (-webkit-min-device-pixel-ratio: 1.5),
       only screen and (min--moz-device-pixel-ratio: 1.5),
       only screen and (min-resolution: 240dpi) {

div#header div.container {
	background-image: url(../images/fond_header-hd.png), url(../images/reseau-hd.png);
	background-size: 227px 205px, 223px 63px;
}
div.bloc-inner {	
	background-image: url(../images/fond-bloc-inner-hd.png);
	background-size: 248px 128px;
}
}