.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;
}