[jQuery] Hover Background effect

[Ty (tzmedia)]

Can anyone help me find a demo I know I have seen.
When you mouseover/hover a link, not sure if they were text or images
a rounded color, seems to me it was orange box slides in place behind
the link. This creates a hover buttons menu, if I remember right the
rounded corner box that slides in place behind the link had some
penner elasticity effects motion it used also?
Thanks,
-ty