.mk-back-to-top{position:fixed;right:clamp(18px,2.2vw,34px);bottom:calc(clamp(18px,2.2vw,34px) + env(safe-area-inset-bottom,0px));z-index:850;width:56px;height:56px;border:0;border-radius:50%;background:#FC5B34;color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .3s ease,transform .3s cubic-bezier(.16,1,.3,1),visibility .3s;box-shadow:0 8px 30px rgba(10,33,41,.16)}.mk-back-to-top.is-visible{opacity:1;visibility:visible;transform:none}.mk-back-to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.mk-back-to-top:hover{transform:translateY(-3px)}@media(max-width:767px){.mk-back-to-top{width:48px;height:48px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px))}}