.smooth-back-to-top-button.active-progress{opacity:1;visibility:visible;transform:translateY(0)}.smooth-back-to-top-button svg path,.smooth-back-to-top-button svg rect{fill:none}.smooth-back-to-top-button svg.progress-circle{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}.smooth-back-to-top-button svg.progress-circle path,.smooth-back-to-top-button svg.progress-circle rect{box-sizing:border-box;transition:all 200ms linear}