#back-to-top a{display:block;padding:3rem 0;font-weight:700}#back-to-top a span{display:flex;justify-content:center}#back-to-top a span:before{display:inline-block;padding-right:1.6rem;width:24px;height:24px;background:url(/images_nuxt/common/icn_page_top.svg) no-repeat 0;content:""}