custom header

// Register Theme Features
function custom_theme_features()  {

	// Add theme support for Custom Header
	$header_args = array(
		'default-image'          => 'img-url',
		'width'                  => 0,
		'height'                 => 0,
		'flex-width'             => true,
		'flex-height'            => true,
		'uploads'                => true,
		'random-default'         => false,
		'header-text'            => false,
		'default-text-color'     => '',
		'wp-head-callback'       => 'custom_header_bg',
		'admin-head-callback'    => 'header_bg',
		'admin-preview-callback' => 'Header Background',
	);
	add_theme_support( 'custom-header', $header_args );
}
add_action( 'after_setup_theme', 'custom_theme_features' );