@layer layouts{.l-has-sticky-back-to-top{--btt-bottom:auto;--btt-right:auto;--btt-btn-size:45px;--btt-btn-position:relative;position:relative}.l-has-sticky-back-to-top__rail{inset:0 auto 0 0;margin:0;position:absolute;width:var(--btt-btn-size);z-index:2}.l-has-sticky-back-to-top__rail__button-container{position:sticky;top:calc(100% - var(--btt-btn-size) - 2rem)}@media (max-width:800px){.l-has-sticky-back-to-top__rail{inset:0 0 0 auto}}}