get_header_colour();
$accent_colour = $email_handler->get_accent_colour();
$logo_url = $email_handler->get_logo_url();
$logo_height = $email_handler->get_logo_height();
$logo_height = ( is_numeric( $logo_height ) && $logo_height > 0 ) ? (int) $logo_height : 50;
$site_name = get_bloginfo( 'name' );
$site_url = home_url();
?>
<?php echo esc_html( $site_name ); ?>