.up {
  position: fixed;
  right: -0px;
  bottom: 0px;
  /* font-size: 30px; */
  border: none;
  font-size: 40px;
  background-color: transparent;
  padding: 20px;
  color: #6c63ff;
  transition: all 2s;
  cursor: pointer;
}

.show {
  right: 10px;
}