chr is the Christmas template available in the market. You can use a copy of the one located in the Uni directory. You will need to edit that params.php and make the following changes:
From this:
$gConf['dir']['xsl'] = $gConf['dir']['layouts'] . 'uni/xsl/'; // xsl dir
$gConf['url']['css'] = $gConf['url']['layouts'] . 'uni/css/'; // css url
$gConf['url']['xsl'] = $gConf['url']['layouts'] . 'uni/xsl/'; // xsl url
To this:
$gConf['dir']['xsl'] = $gConf['dir']['layouts'] . 'chr/xsl/'; // xsl dir
$gConf['url']['css'] = $gConf['url']['layouts'] . 'chr/css/'; // css url
$gConf['url']['xsl'] = $gConf['url']['layouts'] . 'chr/xsl/'; // xsl url