Underline Hover

Type: Side to Side, One Sided, Two Sided and Full Sided. Just like the demo.
Initial width: if an initial underline is required it can be set here.
Thickness: determines the height of the underline. The demo uses 1px.
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.

-Tamu