add gradient heading style

functions.php

@@ -30,3 +30,21 @@ function custom_wp_theme_json_default( $theme_json ) {
 	return $theme_json->update_with( $new_data );
 }
 add_filter( 'wp_theme_json_data_default', 'custom_wp_theme_json_default' );
+
+function jett_block_styles() {
+	register_block_style(
+		'core/heading',
+		array(
+			'name'         => 'gradient',
+			'label'        => __( 'Gradient', 'jett' ),
+			'inline_style' => '
+				.wp-block-heading.is-style-gradient {
+					background: var(--wp--preset--gradient--violet-to-green);
+					-webkit-background-clip: text;
+					-webkit-text-fill-color: transparent;
+					line-height: 1.1;
+				}'
+		)
+	);	
+}
+add_action( 'init', 'jett_block_styles' );