body {
  font-size: 0.875rem;
}
.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, 0.1);
  width: 240px;
  background-color: #212529;
}
.sidebar .nav-link {
  font-weight: 500;
  color: #ced4da;
  padding: 10px 20px;
}
.sidebar .nav-link:hover {
  background: #343a40;
  color: #fff;
}
.sidebar .nav-link.active {
  color: #fff;
  background: #0d6efd;
}
main {
  margin-left: 240px;
  padding: 20px;
}
@media (max-width: 767.98px) {
  .sidebar {
    display: none;
  }
  main {
    margin-left: 0;
  }
}