A continuación un listado de las @media queries más comunes de CSS3 para hacer responsive web desing: adaptar vuestras páginas web a los diferentes dispositivos móviles (Smartphones, iPads, iPhones) en sus diferentes posiciones portrait (vertical) and landscape (horizontal):

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

}

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

}

/* Smartphones (portrait) */
@media only screen 
and (max-width : 320px) {

}

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

}

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

}

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

}

/* Ordenadores de sobremesa y portátiles */
@media only screen 
and (min-width : 1224px) {

}

/* Pantallas grandes */
@media only screen 
and (min-width : 1824px) {

}

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

}

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