HOME ▶ RESPONSIVE WEB DESIGN
Visit the sample page of
Responsive Webdesign by Andreas Bieri

https://www.w3schools.com/bootstrap/bootstrap_get_started.asp

https://www.php-einfach.de/experte/php-codebeispiele/loginscript/

https://www.php-einfach.de/mysql-tutorial/crashkurs-pdo/