/* Smartphones (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 320px) 
and (max-device-width : 480px) {
body{
	background:url(images/hall_mainPageBack_320.jpg) top center no-repeat fixed;
}
}

/* Smartphones (landscape) ----------- */
@media only screen 
and (min-width : 321px) {
body{
	background:url(images/hall_mainPageBack_800.jpg) top center no-repeat fixed;
}
}

/* Smartphones (portrait) ----------- */
@media only screen 
and (max-width : 320px) {
body{
	background:url(images/hall_mainPageBack_320.jpg) top center no-repeat fixed;
}
}


/* iPads (landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : landscape) {
body{
	background:url(images/hall_mainPageBack_1024.jpg) top center no-repeat fixed;
}
}

/* iPads (portrait) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : portrait) {
body{
	background:url(images/hall_mainPageBack_1024.jpg) top center no-repeat fixed;
}
}

/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 800px) {
body{
	background:url(images/hall_mainPageBack_1024.jpg) top center no-repeat fixed;
}
}
/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1024px) {
body{
	background:url(images/hall_mainPageBack_1280.jpg) top center no-repeat fixed;
}
}
/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1024px) {
body{
	background:url(images/hall_mainPageBack_1280.jpg) top center no-repeat fixed;
}
}
/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1280px) {
body{
	background:url(images/hall_mainPageBack_1920.jpg) top center no-repeat fixed;
}
}

/* Large screens ----------- */
@media only screen 
and (min-width : 1824px) {
body{
	background:url(images/hall_mainPageBack_1920.jpg) top center no-repeat fixed;
}
}

/* iPhone 4 ----------- */
@media
only screen and (-webkit-min-device-pixel-ratio : 1.5),
only screen and (min-device-pixel-ratio : 1.5) {
body{
	background:url(images/hall_mainPageBack_1024.jpg) top center no-repeat fixed;
}
}