rwd.css

/* http://twitter.github.com/bootstrap/scaffolding.html#responsive */

/* Landscape phones and down */
@media (max-width: 480px) { ... }

/* Landscape phone to portrait tablet */
@media (max-width: 768px) { ... }

/* Portrait tablet to landscape and desktop */
@media (min-width: 768px) and (max-width: 940px) { ... }

/* Default: 940px and up  */

/* Large desktop */
@media (min-width: 1210px) { ... }

rwd.md

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