.back-to-top-button{bottom:20px}.back-to-top-button,.back-to-top-button-cart-checkout{position:fixed;width:40px;height:40px;cursor:pointer;z-index:999999;right:20px;opacity:.5;border:0;color:#fff;background-color:#000;border-radius:50%;transition:.5s}.back-to-top-button-cart-checkout{bottom:80px}