code: @Nullable
    public static CascadingStyleSheet getWrappedInMediaQuery (@Nonnull final CascadingStyleSheet aCSS,
                                                              @Nonnull final CSSMediaQuery aMediaQuery,
                                                              final boolean bAllowNestedMediaQueries)
    {
      return getWrappedInMediaQuery (aCSS, new CommonsArrayList <> (aMediaQuery), bAllowNestedMediaQueries);
    }
docs: Get the CSS wrapped in the specified media query. Note: all existing rule
  objects are reused, so modifying them also modifies the original CSS!
  
  @param aCSS
  The CSS to be wrapped. May not be <code>null</code>.
  @param aMediaQuery
  The media query to use.
  @param bAllowNestedMediaQueries
  if <code>true</code> nested media queries are allowed,
  <code>false</code> if they are prohibited.
  @return <code>null</code> if out CSS cannot be wrapped, the newly created
  {@link CascadingStyleSheet} object otherwise.