Create a custom template in a child theme: Landing page

page-landing.php

<?php
//* Template Name: Landing

//* Force full width content layout
add_filter( 'bizznis_pre_get_option_site_layout', 'bizznis_return_landing_layout' );
function bizznis_return_landing_layout() {
	return 'full-width-content';
}

//* Remove header and footer for this page template
add_action( 'bizznis_before', 'bizznis_page_landing_hooks' );
function bizznis_page_landing_hooks() {
	remove_action( 'bizznis_header', 'bizznis_do_header' );
	remove_action( 'bizznis_footer', 'bizznis_do_footer' );
}

//* Run the Bizznis loop
bizznis();