A button triggers an event or action.
They have some initial styles and you can change them what you want.
Label is the text that above of the button.
Severity select enables to change background color of button according to severity type.
Size select enables to change size of the button. Size select can be small, medium and large.
Raised switch enables to not focus on the button.
Rounded switch enables to make the button rounded of border of the button.
Text Button switch enables to make background color of button transparent and border none.
Outlined switch enables to make background color of button transparent, but border of the button doesn't change.