The minimum requirement by yii2-bootstrap4-materialize that your Web server supports PHP 5.4 and Yii2 framework > 2.0.14. You can use boostrap4-materialize in the css layer of your application. To ...
If you want a custom design. Let me know, I am open for business. This template uses materialize.css which is my the most favourite styling framework. I can also help you with a custom style design.