The addition of a constructor to the <a data-l10n-name="mdn-cssstylesheet">CSSStyleSheet</a> interface as well as a variety of related changes makes it possible to directly create new stylesheets without having to add the sheet to the HTML. This makes it much easier to create reusable stylesheets for use with <a data-l10n-name="mdn-shadowdom">Shadow DOM</a>. See <a data-l10n-name="bugzilla">bug 1520690</a> for more details.
Le addition de un constructor al interfacie  <a data-l10n-name="mdn-cssstylesheet">CSSStyleSheet</a>, e un varietate de cambiamentos associate, rende possibile crear directemente nove folios de stilo sin deber adder le folio al HTML. Iste rende multo plus facile crear folios de stilo reusabile a usar con <a data-l10n-name="mdn-shadowdom">Shadow DOM</a>. Vide le <a data-l10n-name="bugzilla">reporto de problema 1520690</a> pro plus detalios.