Quick plugin to disable astra transparent header on login page

login-custom-plugin.php

<?php
/**
 * @wordpress-plugin
 * Plugin Name: CUSTOM PLUGIN NAME
 * Plugin URI:  https://YOURDOMAIN.com
 * Description: CUSTOM PLUGIN DESCRIPTION
 * Version:     1.0.0
 * Author:      YOUR NAME
 * Author URI:  https://YOURDOMAIN.com
 * License:     GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain: custom_plugin_name
 */

/**
 * Checks if on login page, and disables astra transparent header
 * 
 * @param bool $enabled : Whether the transparent header is enabled
 * @return bool $enabled : Maybe modified $enabled boolean
 * @since 1.0.0
 */
function custom_plugin_name_disable_transparent_header( $enabled ) {
	
	if ( is_page( 'login' ) ) {
		$enabled = false;
	}

	return $enabled;
}
add_filter( 'astra_is_transparent_header', 'custom_plugin_name_disable_transparent_header' );