/* Smartphones (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 320px) 
and (max-device-width : 480px) {
/* Styles */
}

/* Smartphones (landscape) ----------- */
@media only screen 
and (min-width : 321px) {
/* Styles */
}

/* Smartphones (portrait) ----------- */
/* viewport size <= 320px ----------- */
@media only screen 
and (max-width : 320px) {
/* Styles */
}

/* iPads (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px){
/* Styles */
background:green;}
}

/* iPads (landscape) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : landscape) {
/* Styles */
}

/* iPads (portrait) ----------- */
@media only screen 
and (min-device-width : 768px) 
and (max-device-width : 1024px) 
and (orientation : portrait) {
/* Styles */
}

/* Desktops and laptops ----------- */
@media only screen 
and (min-width : 1224px) {
/* Styles */
}

/* Large screens ----------- */
@media only screen 
and (min-width : 1824px) {
/* Styles */
}

/*************** Specific to device if required **********************/
/* stolen from http://nmsdvid.com/snippets/ **************************/

/* iPhone 4 ----------- */
@media only screen and (-webkit-min-device-pixel-ratio : 1.5),
only screen and (min-device-pixel-ratio : 1.5) {
/* Styles */
}

/* iPhone5 ------------- */
@media screen and (device-aspect-ratio: 40/71) {
	/* Styles */
}
or
@media screen and (device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2){
/* Styles */
}

/* Blackberry Torch ---------- */
@media screen and (max-device-width: 480px) { 
}

/* Samsung S3 ---------------- */
@media only screen and (-webkit-device-pixel-ratio: 2) {
}

/* Google Nexus 7 ------------- */
@media screen and (device-width: 600px) and (device-height: 905px) and (-webkit-min-device-pixel-ratio: 1.331) and (-webkit-max-device-pixel-ratio: 1.332) {
}

/* iPad Mini ------------------ */
@media screen and (device-width: 768px) and (device-height: 1024px) and (-webkit-device-pixel-ratio: 1) {
}

/* iPad 3 (Landscape)-------------------- */
@media (max-device-width: 1024px) and (orientation: landscape) { 
}

/* iPad 3 (portrait)-------------------- */
@media (max-device-width: 768px) and (orientation: portrait) { 
}

/* Galaxy Tab 10.1 (Landscape) -------- */
@media (max-device-width: 1280px) and (orientation: landscape) { 
}

/* Galaxy Tab 10.1 (Portrait) -------- */
@media (max-device-width: 800px) and (orientation: portrait) { 
}

/* Retina images ---------------------- */
@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and (   min--moz-device-pixel-ratio: 2),
only screen and (     -o-min-device-pixel-ratio: 2/1),
only screen and (        min-device-pixel-ratio: 2),
only screen and (                min-resolution: 192dpi),
only screen and (                min-resolution: 2dppx) {
 
  /* Retina replacement CSS here */
 
}