[jetpack_subscription_form subscribe_placeholder="Email Address" show_subscribers_total="false" button_on_newline="true" submit_button_text="Subscribe" custom_background_emailfield_color="undefined" custom_background_button_color="undefined" custom_text_button_color="undefined" custom_font_size="16" custom_border_radius="0" custom_border_weight="1" custom_border_color="undefined" custom_padding="15" custom_spacing="10" submit_button_classes="has-text-color has-background-color has-background has-primary-background-color" email_field_classes="" show_only_email_and_button="true" ]