Cleans up the display of cross-sells and up-sells within the Marketify theme

functions.php

/**
 * Fix styling in the Marketify theme
 */
function sumobi_edd_csau_fix_styles() {

	if ( ! ( is_singular( 'download' ) || edd_is_checkout() ) ) {
		return;
	}
	?>
	<style>
		.entry-content .edd-csau-products .edd_download_purchase_form { border: none; padding-bottom: 0; margin-bottom: 0; }
		.entry-content .edd-csau-products .edd_download_purchase_form:last-of-type { margin-top: 0; }
		.entry-content .edd-csau-products .edd_purchase_submit_wrapper { margin-top: 0; }
	</style>
	<?php
}
add_action( 'wp_head', 'sumobi_edd_csau_fix_styles' );

// turn add to cart button for cross-sells off, marketify has it's own add to cart buttons in the popup
add_filter( 'edd_csau_upsell_show_button', '__return_false' );