/// <summary> /// Gets the common CSS. /// </summary> /// <param name="mode">The mode.</param> /// <param name="version">The version.</param> /// <returns>System.String.</returns> private string GetCommonCss(string mode, string version) { var versionString = !string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase) ? "?v=" + version : string.Empty; var files = new[] { "css/all.css" + versionString }; var tags = files.Select(s => string.Format("<link rel=\"stylesheet\" href=\"{0}\" async />", s)).ToArray(); return string.Join(string.Empty, tags); }