removed header background image call

header.php

@@ -45,24 +45,25 @@ use function Aldine\Helpers\custom_homepage;
 </svg>
 <div id="page" class="site">
 	<a class="skip-link screen-reader-text" href="#content"><?php esc_html_e( 'Skip to content', 'pressbooks-aldine' ); ?></a>
-	<header class="header" role="banner" style="background-image: url(
+	//<header class="header" role="banner" style="background-image: url(
 	<?php
+        $header = '<header class="header" role="banner"';
 
 	if ( has_post_thumbnail() ) {
-		echo get_the_post_thumbnail_url();
+		echo $header . 'style="background-image: url('.get_the_post_thumbnail_url().')>';
 	} else {
-		if ( is_front_page() ) {
-			if ( has_header_image() ) {
-				echo( get_header_image() );
-			} else {
-				echo get_template_directory_uri() . '/dist/images/header.jpg';
-			}
-		} else {
-			echo get_template_directory_uri() . '/dist/images/catalog-header.jpg';
-		}
+                echo $header . '>'; 
+		//if ( is_front_page() ) {
+		//	if ( has_header_image() ) {
+		//		echo ' '; //( get_header_image() );
+		//	} else {
+		//		echo ' '; //get_template_directory_uri() . '/dist/images/header.jpg';
+	//		}
+	//	} else {
+	//		echo ' ';//get_template_directory_uri() . '/dist/images/catalog-header.jpg';
+	//	}
 	}
 	?>
-	);">
 		<div class="header__inside">
 			<div class="header__brand">
 				<a title="<?php echo get_bloginfo( 'name', 'display' ); ?>" href="<?php echo network_home_url(); ?>">