.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  padding: 48px 0 0;
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}
.sidebar-sticky {
  position: relative;
  top: 0;
  height: calc(100vh - 48px);
  padding-top: .5rem;
  overflow-x: hidden;
  overflow-y: auto;
}
.hamburger {
  display: none;
}
@media (max-width: 576px) {
  .hamburger {
      display: block;
  }
  .sidebar {
      width: 100%;
      height: auto;
      position: relative;
  }
  .sidebar-sticky {
      height: auto;
  }
}