/// <summary>
/// Loads a stylesheet resource via its URL.
/// </summary>
/// <param name="context">The context to use.</param>
/// <param name="address">The address of the resource.</param>
/// <param name="element">The hosting element.</param>
/// <returns>The async task.</returns>
public static Task <IStyleSheet> OpenStyleSheetAsync(this IBrowsingContext context, Url address, IElement element)
{
return(context.OpenStyleSheetAsync(address, element, CancellationToken.None));
}