@charset "utf-8";
/* CSS Document */

/* Bottone “Vai su” */
.back-to-top{
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 5000;
  display: none;              /* nascosto finché non si scorre */
  width: 48px;
  height: 48px;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(0,0,0,.2);
  opacity: .9;
  align-items: center;
  justify-content: center;
}
.back-to-top.show{ display: inline-flex; }
.back-to-top:hover{ opacity: 1; transform: translateY(-2px); }