.scroll-to-top-btn {
  position: fixed;
  bottom: 32px;
  right: 64px;
  text-decoration: none;
  background: #565656;
  padding: 16px 14px 18px 15px;
  display: none;
  border-radius: 50%;
  opacity: 0.3;
  z-index: 99;
}
.scroll-to-top-btn:hover {
  cursor: pointer;
}
.scroll-to-top-btn::after {
  background: url('/Content/images/icons/arrow-top.svg') no-repeat center;
  width: 18px;
  height: 12px;
  display: block;
  content: '';
}