figured it out, just adjusting the css seems to work well…
.animatedfsmenu, .animatedfsmenu.navbar-expand-md .navbar-collapse, .animatedfsmenu .animatedfsmenu-navbar-toggler .bar.bottom-animate, .animatedfsmenu .animatedfsmenu-navbar-toggler, .animatedfsmenu .animatedfsmenu-navbar-toggler .bar
{
transition: all ease-out .3s;
}