.rkit-back-to-top-progress .rkit-back-to-top-button{border-radius:50%}.scroll-progress{position:absolute;top:0;left:0;width:100%;height:100%}.rkit-back-to-top-button.hide-button-on-scroll{opacity:0;visibility:hidden;transform:translateY(5rem)}.rkit-back-to-top-button.hide-button-on-scroll.show{opacity:1;visibility:visible;transform:translateY(0rem)}