prepare_button_defaults( array $defaults, string $index )

function prepare_button_defaults( $defaults, $index ) {

	$_prefix = 'button' . $index;

	$defaults[ 'header-' . $_prefix . '-text' ]           = __( 'Button', 'astra' );
	$defaults[ 'header-' . $_prefix . '-link-option' ]    = array(
		'url'      => apply_filters( 'astra_site_url', 'https://www.wpastra.com' ),
		'new_tab'  => false,
		'link_rel' => '',
	);
	$defaults[ 'header-' . $_prefix . '-font-family' ]    = 'inherit';
	$defaults[ 'header-' . $_prefix . '-font-weight' ]    = 'inherit';
	$defaults[ 'header-' . $_prefix . '-text-transform' ] = '';
	$defaults[ 'header-' . $_prefix . '-line-height' ]    = '';
	$defaults[ 'header-' . $_prefix . '-font-size' ]      = array(
		'desktop'      => '',
		'tablet'       => '',
		'mobile'       => '',
		'desktop-unit' => 'px',
		'tablet-unit'  => 'px',
		'mobile-unit'  => 'px',
	);
	$defaults[ 'header-' . $_prefix . '-text-color' ]     = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'header-' . $_prefix . '-back-color' ]     = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'header-' . $_prefix . '-text-h-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'header-' . $_prefix . '-back-h-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'header-' . $_prefix . '-padding' ]        = array(
		'desktop'      => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'tablet'       => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'mobile'       => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'desktop-unit' => 'px',
		'tablet-unit'  => 'px',
		'mobile-unit'  => 'px',
	);
	$defaults[ 'header-' . $_prefix . '-border-size' ]    = array(
		'top'    => '',
		'right'  => '',
		'bottom' => '',
		'left'   => '',
	);
	$defaults[ 'header-' . $_prefix . '-border-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'header-' . $_prefix . '-border-radius' ]  = '';

	$defaults[ 'section-hb-button-' . $index . '-padding' ]   = Astra_Builder_Helper::$default_responsive_spacing;
	$defaults[ 'section-hb-button-' . $index . '-margin' ]    = Astra_Builder_Helper::$default_responsive_spacing;
	$defaults[ 'sticky-header-button' . $index . '-padding' ] = Astra_Builder_Helper::$default_responsive_spacing;


	$_prefix = 'button' . $index;

	$defaults[ 'footer-' . $_prefix . '-text' ]           = __( 'Button', 'astra' );
	$defaults[ 'footer-' . $_prefix . '-link-option' ]    = array(
		'url'      => apply_filters( 'astra_site_url', 'https://www.wpastra.com' ),
		'new_tab'  => false,
		'link_rel' => '',
	);
	$defaults[ 'footer-' . $_prefix . '-font-family' ]    = 'inherit';
	$defaults[ 'footer-' . $_prefix . '-font-weight' ]    = 'inherit';
	$defaults[ 'footer-' . $_prefix . '-text-transform' ] = '';
	$defaults[ 'footer-' . $_prefix . '-line-height' ]    = '';
	$defaults[ 'footer-' . $_prefix . '-font-size' ]      = array(
		'desktop'      => '',
		'tablet'       => '',
		'mobile'       => '',
		'desktop-unit' => 'px',
		'tablet-unit'  => 'px',
		'mobile-unit'  => 'px',
	);
	$defaults[ 'footer-' . $_prefix . '-text-color' ]     = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'footer-' . $_prefix . '-back-color' ]     = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'footer-' . $_prefix . '-text-h-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'footer-' . $_prefix . '-back-h-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'footer-' . $_prefix . '-padding' ]        = array(
		'desktop'      => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'tablet'       => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'mobile'       => array(
			'top'    => '',
			'right'  => '',
			'bottom' => '',
			'left'   => '',
		),
		'desktop-unit' => 'px',
		'tablet-unit'  => 'px',
		'mobile-unit'  => 'px',
	);
	$defaults[ 'footer-' . $_prefix . '-border-size' ]    = array(
		'top'    => '',
		'right'  => '',
		'bottom' => '',
		'left'   => '',
	);
	$defaults[ 'footer-' . $_prefix . '-border-color' ]   = array(
		'desktop' => '',
		'tablet'  => '',
		'mobile'  => '',
	);
	$defaults[ 'footer-' . $_prefix . '-border-radius' ]  = '';
	$defaults[ 'footer-button-' . $index . '-alignment' ] = array(
		'desktop' => 'center',
		'tablet'  => 'center',
		'mobile'  => 'center',
	);

	$defaults[ 'section-fb-button-' . $index . '-padding' ] = Astra_Builder_Helper::$default_responsive_spacing;
	$defaults[ 'section-fb-button-' . $index . '-margin' ]  = Astra_Builder_Helper::$default_responsive_spacing;

	return $defaults;
}