wp-content/themes/twentysixteen/inc/customizer.php:874Enqueues front-end CSS for the page background color.
function twentysixteen_page_background_color_css() { $color_scheme = twentysixteen_get_color_scheme(); $default_color = $color_scheme[1]; $page_background_color = get_theme_mod( 'page_background_color', $default_color ); // Don't do anything if the current color is the default. if ( $page_background_color === $default_color ) { return; } $css = ' /* Custom Page Background Color */ .site { background-color: %1$s; } mark, ins, button, button[disabled]:hover, button[disabled]:focus, input[type="button"], input[type="button"][disabled]:hover, input[type="button"][disabled]:focus, input[type="reset"], input[type="reset"][disabled]:hover, input[type="reset"][disabled]:focus, input[type="submit"], input[type="submit"][disabled]:hover, input[type="submit"][disabled]:focus, .menu-toggle.toggled-on, .menu-toggle.toggled-on:hover, .menu-toggle.toggled-on:focus, .pagination .prev, .pagination .next, .pagination .prev:hover, .pagination .prev:focus, .pagination .next:hover, .pagination .next:focus, .pagination .nav-links:before, .pagination .nav-links:after, .widget_calendar tbody a, .widget_calendar tbody a:hover, .widget_calendar tbody a:focus, .page-links a, .page-links a:hover, .page-links a:focus { color: %1$s; } @media screen and (min-width: 56.875em) { .main-navigation ul ul li { background-color: %1$s; } .main-navigation ul ul:after { border-top-color: %1$s; border-bottom-color: %1$s; } } '; wp_add_inline_style( 'twentysixteen-style', sprintf( $css, $page_background_color ) );}Introduced in Twenty Sixteen 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentysixteen/inc/customizer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.