.side-back {
  position: absolute;
  top: 84px;
  left: 34px;
  z-index: 850;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b0b3bb;
  opacity: 1;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
  font-size: 18px;
  line-height: 1;
  transition: color 0.2s, transform 0.2s, opacity 0.2s;
}

.side-back i {
  transform: scaleX(1.28);
}

.side-back:hover {
  color: var(--blue);
  opacity: 1;
  transform: translateX(-4px);
}

@media (max-width: 768px) {
  .side-back {
    top: 66px;
    left: 12px;
    width: 40px;
    height: 40px;
  }
}