.topcontainer {
  position: relative;
  height: 2px; /* Adjust to match your content height */
}

#backToTopBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 24px;
  background-color: #5577ed;
  color: #fff;
  border-radius: 50%;
}

#backToTopBtn:hover {
  background-color: #3bd3fc;
}