From Button effects you can choose type of effects/Animation like-
Clear, Color Stretch, jump, Underline, Color Slide, Color Fade, Grow, Shadow etc.
You can change border color, border Width and radius and Hover Color etc.
Click anywhere in a Block and then select Section setting
Choose Pro option from the setting option and then choose button spacing (Under spacing control) and modify the settings as per your requirements.
You can now adjust the dimensions for buttons.