/* nav-bar begin*/
#scrollTop {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(201, 21, 30, 0.8);
  position: absolute;
  right: 15px;
  bottom: 1.65rem;
  z-index: 3;
  font-size: 12px;
  color: #fff;
  text-align: center;
  line-height: 1.2;
  display: none;
}

/* nav-bar end*/