/home/sylamedg/www/wp-content/themes/neom-blog/inc/custom-header.php
<?php
function neom_custom_header_setup() {
	add_theme_support(
		'custom-header',
		apply_filters(
			'neom_custom_header_args',
			array(
				'default-image'      => '',
				'default-text-color' => 'f7f7f7',
				'width'              => 2000,
				'height'             => 200,
				'flex-height'        => true,
				'wp-head-callback'   => 'neom_header_style',
			)
		)
	);
}
add_action( 'after_setup_theme', 'neom_custom_header_setup' );

if ( ! function_exists( 'neom_header_style' ) ) :

	function neom_header_style() {
		$header_text_color = get_header_textcolor();

		?>
	<style type="text/css">
		<?php
		if ( ! display_header_text() ) :
			?>
		.site-title,
		.site-description {
			position: absolute;
			clip: rect(1px, 1px, 1px, 1px);
		}
			<?php
			else :
				?>
		body .header h4.site-title,
		body .header p.site-description {
			color: #<?php echo esc_attr( $header_text_color ); ?>;
		}
	<?php endif; ?>
	</style>
		<?php
	}
endif;