.mercury-store-components-0-x-scrollToTopButton{position:fixed;border:none;border-radius:50%;box-shadow:0 4px 8px rgba(0,0,0,.15);padding:12px;cursor:pointer;transition:opacity .3s ease,transform .3s ease;opacity:0;transform:translateY(20px);z-index:9999;width:62px;height:62px}.mercury-store-components-0-x-scrollToTopButton.mercury-store-components-0-x-visible{opacity:1;transform:translateY(0)}.mercury-store-components-0-x-scrollToTopButton:hover{transform:scale(1.1)}@media (max-width:640px){.mercury-store-components-0-x-scrollToTopButton{width:52px;height:52px}}