<Button VerticalAlignment="Center" HorizontalAlignment="Center" Style="{StaticResource TransparentStyle}"
                    Command="{Binding Path=GetCertificateCommand}"
                    Width="{Binding RelativeSource={RelativeSource AncestorType=Grid}, Path=Width}"
                    Height="{Binding RelativeSource={RelativeSource AncestorType=Grid}, Path=Height}">
                <TextBlock Style="{StaticResource ForegroundSectionTitleStyle}" Text="Выбрать сертификат для подписи" />
            </Button>