.smooth-back-to-top-button{bottom:50px;height:46px;width:46px;border-radius:46px;background-color:#2777b4;box-shadow:inset 0 0 0 2px #ccc}.smooth-back-to-top-button.btn-right-side{right:50px}.smooth-back-to-top-button::after{height:100%;color:#fff;font-size:30px;content:"";line-height:normal;position:relative;display:flex;align-items:center;justify-content:center}.smooth-back-to-top-button:hover::after{color:#f98b32}.smooth-back-to-top-button svg.progress-circle path,.smooth-back-to-top-button svg.progress-circle rect{stroke:#f98b32;stroke-width:2px;z-index:5}