.vto-scroll-top {
  position: fixed;
  right: 20px;
  bottom: calc(220px + env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 50%;
  background: #db0028;
  color: #fff;
  box-shadow: 0 3px 12px rgba(23, 36, 59, .18);
  cursor: pointer;
  font-size: 18px;
}
.vto-scroll-top[hidden] { display: none; }
.vto-scroll-top:hover { background: #b90022; }
.vto-scroll-top:focus-visible { outline: 2px solid #db0028; outline-offset: 3px; }
@media (max-width: 820px) {
  .vto-scroll-top { right: 12px; }
}