@media only screen and (min-device-width: 320px) and (max-device-width: 480px){}@media only screen and (min-width: 321px){}@media only screen and (max-width: 320px){}@media only screen and (min-device-width: 768px) and (max-device-width: 1024px){}@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: landscape){}@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait){}@media only screen and (min-width: 1224px){}@media only screen and (min-width: 1824px){}@media only screen and (-webkit-min-device-pixel-ratio: 1.5),only screen and (min-device-pixel-ratio: 1.5){}