style.xsls

<!--
  Copyright (C) Igor Sysoev
  Copyright (C) Nginx, Inc.
  -->

X:stylesheet {

X:template style (lang) {

    <meta name="viewport" content="width=device-width,initial-scale=1"></meta>

    <link>
    X:attribute "rel" {
      X:text{stylesheet}
    }
    X:attribute "href" {
      X:if "substring-after($DIRNAME, '/') or $LINK = '404.html'" {
          !{ concat($ROOT, '/') }
      }
      !{ concat('css/style_', $lang, '.css') }
    }
    !!;
    </link>

}

}