.wrapper {
  flex-direction: column;
}

.sidebar {
  width: 100%;
  margin: 1.5rem 0 0 0;
}

.sidebar.sidebar--left {
  margin: 1.5rem 0 0 0;
}

@media screen and (max-width: 767px) {
  .wrapper {
    flex-direction: column;
  }
}