'181818', 'width' => 1920, 'height' => 275, 'flex-height' => true, 'wp-head-callback' => 'aileron_header_style', ) ) ); } add_action( 'after_setup_theme', 'aileron_custom_header_setup' ); if ( ! function_exists( 'aileron_header_style' ) ) : /** * Styles the header image and text displayed on the blog * * @see aileron_custom_header_setup(). */ function aileron_header_style() { ?>