Floating or fixed
To change button behaviour from floating to fixed head over Button Tab and turn on Button fixed on page setting.
Button size
Button size depends on size of the menu icon within button. On Button Tab find Icon size setting.
Disabling button for mobile devices
On Button Tab enable Navbar for mobiles setting. To disable menu on mobiles completely head over 🍔Main tab and make changes under General Display Rules.
Using custom icon/image for menu button
On Button Tab switch Button type to Custom Icon. Guide for icon uploading
Using custom trigger
Check this guide.