#scroll-to-top {
  position: fixed;
  right: 1rem;
  bottom: -2em;
  width: calc(2rem + 3vw);
  height: calc(4rem + 3vw);
  background-image: url("../../assets/img/PngItem_345313.png");
  background-size: contain;
  background-position: center top;
  background-repeat: no-repeat;
  text-align: center;
  opacity: 0.7;
}