Create class_cssresponsiwe.php

 Responsive CSS is a class to handle pages html5, jQuery, CssResponsive, CssBrowser, CssVersion.
  Class is designed to load the appropriate CSS styles depending on the browser like Mozilla, IE, etc. 
 * Class also recognize the screen resolution, thus adapting to a device such as tablet, phone, etc.
 *  By reading the right style for your device. Identifies the version of the style supported by your browser. 
 * All this results in a significant acceleration loading, because they are charged only the styles
  that are just at the time needed. 
 In the classroom you will find a few other things you need to use a web page that may help facilitate the work.
  Check javascript, cookiesmedia etc.
  Class will prepare more efficiently css responsieive for devices and for our applications.