url ) : if ( ( is_front_page() && 'off' !== get_theme_mod( 'home_header_image' ) ) || ( is_page() && ! is_front_page() && 'off' !== get_theme_mod( 'pages_header_image' ) ) || ( is_single() && 'off' !== get_theme_mod( 'single_header_image' ) ) || ( ! is_front_page() && ! is_singular() && 'off' !== get_theme_mod( 'blog_header_image' ) ) || ( is_404() ) ) : ?>