Design, reaction-oriented (RWD) is a method of web design that aims to display the desirable page in a wide range of devices from mobile phones to monitor desktop computers.

a web site designed to the method of reaction-oriented with the layers of flexible, design, floating, etc. flexible images and media jQuery CSS3 compatible.

the concept of resilient networks, this is where for the size of the page elements, instead of units, an absolute, such as pixels or point of the units relative Like percent we use.
the size of the images flexible, also with units of the relative is determined to pull out from the element of display, your donor is showing.
media jQuery, take advantage of CSS different for the page based on the features of the device displays the provider (usually based on the width of the web browser) to provide.