.pb-back-to-top{box-sizing:border-box;min-width:0;padding-inline:var(--china-content-gutter, 14px)}@media(min-width:480px){.pb-back-to-top{padding-inline:var(--china-content-gutter, 18px)}}@media(min-width:960px){.pb-back-to-top{padding-inline:var(--china-content-gutter, 20px)}}.pb-back-to-top{display:inline-block;max-width:100%;padding-bottom:0}