.back_to_top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9997;
  width: 38px;
  height: 38px;
  vertical-align: middle;
  text-align: center;
  line-height: 35px;
  background: #C6DEF4;
  color: #1d619e;
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid white;
  font-size: 1.5em;
  font-weight: 600;
  display: none;
}

@media (min-width: 1200px) {
  .back_to_top {
    bottom: 80px;
    right: 60px;
  }
}

.back_to_top:hover {
  background: #1D619E;
  color: #fff;
  text-decoration: none;
}

.back_to_top-show {
  display: block;
}