.btn-deslizante{align-items:center;background-color:#ff5c04;border:none;border-radius:50%;bottom:-50px;color:#fff;cursor:pointer;display:flex;height:50px;justify-content:center;left:50%;position:fixed;transform:translateX(-50%);transition:bottom .3s ease;width:50px;z-index:9999}.btn-deslizante i{font-size:24px}