Cursor.js is a light-weight JavaScript library which provides the ability to change your cursor based on hover targets. This library relies on GreenSock to handle the frame update and animation.
In this page, you're seeing the default cursor style that achieves by running:
new Cursor();
Plus, you can adjust the cursor directly from the panel in the top right corner of this page ↗️
And here's some more style that I've made: