Color: determines the color of the underline.
Type: Side to Side, One Side, Two Sides and Full Side. Just like the demo.
Initial width: if an initial underline is required it can be set here.
Thickness: determines the height of the underline.
Bottom distance: determines the spacing between the title and the underline.
Duration
CSS easing: you can set any custom CSS easing of your own. Learn more about CSS easings here.
There are 3 groups available to style Underline Hover: Margin, Padding and Typography. If you need to apply additional styles, you can do so at the Settings Tab.