Add sticky header, customizer hero background image, and cinematic post image styles

functions.php

@@ -81,6 +81,17 @@ function wisdom1_customize_register( $wp_customize ) {
 		'section'  => 'wisdom1_hero_section',
 		'type'     => 'text',
 	) );
+
+	// Hero Background Image Setting
+	$wp_customize->add_setting( 'hero_background_image', array(
+		'default'           => get_template_directory_uri() . '/assets/images/hero-default.png',
+		'sanitize_callback' => 'esc_url_raw',
+	) );
+	$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, 'hero_background_image', array(
+		'label'    => __( 'Hero Background Image', 'wisdom1' ),
+		'section'  => 'wisdom1_hero_section',
+		'settings' => 'hero_background_image',
+	) ) );
 }
 add_action( 'customize_register', 'wisdom1_customize_register' );