.bc-back-to-top{position:fixed;right:50px;bottom:50px;height:46px;width:46px;cursor:pointer;border-radius:50px;box-shadow:inset 0 0 0 2px;color:rgba(255, 255, 255, 0.2);background-color:none;z-index:10000;opacity:0;visibility:hidden;transform:translateY(15px) !important;transition-duration:200ms;transition-timing-function:linear;display:flex;justify-content:center;align-items:center;}
.bc-back-to-top__active-progress{opacity:1;visibility:visible;transform:translateY(0) !important;}
.bc-back-to-top__arrow-svg{position:absolute;fill:grey;width:25px;height:100%;cursor:pointer;display:block;z-index:1;}
.bc-back-to-top__circle-path{fill:none;stroke:grey;stroke-width:5;box-sizing:border-box;}
.bc-back-to-top__to-hide{
opacity: 0;
}