Using firebug is the quickest way to find what your looking for.

i found with firebug,but i can't save with him, it's writed "style.php?v=264f52a40...", and on "style.php" it's only this:

"<?php

ERROR_REPORTING(E_ALL);


*/
define( '_JEXEC', 1 );
define( 'DS', DIRECTORY_SEPARATOR );

$templatename = explode( DS, dirname(__FILE__) );
$jpath_base = array();
for( $n = 0; $n <= count( $templatename ) - 3; $n++ )
{
$jpath_base[] = $templatename[ $n ];
}

define( 'JPATH_BASE', implode( DS, $jpath_base ) );
$templatename = $templatename[ count( $templatename ) - 1 ];

define( 'TEMPLATE_PATH_BASE', JPATH_BASE . DS . 'templates' . DS . $templatename );

require_once ( JPATH_BASE .DS.'includes'.DS.'defines.php' );
require_once ( JPATH_BASE .DS.'includes'.DS.'framework.php' );
$mainframe =& JFactory::getApplication('site');
$mainframe->initialise();
jimport( 'joomla.methods' );

$session =& JFactory::getSession();
$cssGZIP = $session->get( '_tp_CSSForLoad' );

if( $session->get( 'tpparams_other_gzipcss' ) == 1 )
{
ob_start ("ob_gzhandler");
}

if( $session->get( 'tpparams_other_compresscssfile' ) == 1 ) ob_start("compress");
header("Content-type: text/css; charset= UTF-8");
header("Cache-Control: must-revalidate");
$offset = 60 * 60 ;
$ExpStr = "Expires: " . gmdate( "D, d M Y H:i:s", time() + 86400 ) . " GMT";
if( $session->get( 'tpparams_other_compresscssfile' ) == 0 ) header( $ExpStr );

function compress( $buffer)
{

$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
$buffer = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ', ' ', ' '), '', $buffer);

$buffer = str_replace('{ ', '{', $buffer);
$buffer = str_replace(' }', '}', $buffer);
$buffer = str_replace('; ', ';', $buffer);
$buffer = str_replace(', ', ',', $buffer);
$buffer = str_replace(' {', '{', $buffer);
$buffer = str_replace('} ', '}', $buffer);
$buffer = str_replace(': ', ':', $buffer);
$buffer = str_replace(' ,', ',', $buffer);
$buffer = str_replace(' ;', ';', $buffer);
return $buffer;
}

if( is_array( $cssGZIP ) )
{
if( count( $cssGZIP ) )
{
foreach( $cssGZIP as $GZIP )
{
if( !empty( $GZIP[0] ) )
{
$cssFile = $GZIP[0];
$cssBrowser = ( !empty( $GZIP[1] ) ) ? $GZIP[1] : 'all';
$cssVar = ( !empty( $GZIP[2] ) ) ? $GZIP[2] : null;
$loadThisCSS = false;

if( $cssBrowser == 'all' )
{
$loadThisCSS = true;
}
else
{
$browsers = explode( ',', $cssBrowser );
foreach($browsers as $browser)
{
if( strpos( strtolower( $session->get( 'tpuser_user_agent' ) ), $browser ) !== false )
{
$loadThisCSS = true;
}
}
}

if($loadThisCSS == true)
{
if( file_exists( $cssFile ) )
{
if( filesize( $cssFile ) )
{
if( !empty( $cssVar ) )
{
if( is_array( $cssVar ) )
{
if( count( $cssVar ) )
{
foreach( $cssVar as $k => $v )
{
$$k = $v;
}
}
}
}

include( $cssFile );

if( !empty( $cssVar ) )
{
if( is_array( $cssVar ) )
{
if( count( $cssVar ) )
{
foreach( $cssVar as $k => $v )
{
unset( $$k );
}
}
}
}
}
}
}
}
}
}
}

?>
"

I'm stuck :(

i found it on "templates/deals_plazza/skeletons/skeleton3/css/k2.css"

Thanks for help