/**
* Returns all of the queued CSS.
*
* @static
* @return string
*/
public static function get_queued_css()
{
$css = self::$_css;
if (self::$_hires_css) {
if ($css) {
$css .= NL;
}
$css .= '@media only screen and (-moz-min-device-pixel-ratio: 1.5),' . NL . 'only screen and (-o-min-device-pixel-ratio: 3/2),' . NL . 'only screen and (-webkit-min-device-pixel-ratio: 1.5),' . NL . 'only screen and (min-device-pixel-ratio: 1.5),' . NL . 'only screen and (min-resolution: 1.5dppx) {' . NL . self::$_hires_css . NL . '}';
}
// clear out the queue
self::$_css = '';
self::$_hires_css = '';
return $css;
}