.scroll-square {
  width: 35px;
  height: 35px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid;
  border-color: #000000;
  z-index: 2;
  right: 20px;
  top: 94vh;
  position: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  display: none;
  cursor: pointer;
  transition: 250ms ease;
}