Parallax: Add a down arrow in the header for scrolling pages.

gistfile1.php

<?php

function custom_down_arrow() {
	global $themify;

	if( '' != $themify->query_category && 'section' == $themify->query_post_type ) {
		echo '<a href="#body" id="arrow-down" style="position: absolute; left: 50%; bottom: 100px; color: #fff; font-size: 25px;"><i class="fa fa-arrow-circle-down"></i></a>';
	}
}
add_action( 'themify_header_end', 'custom_down_arrow' );