html,
body {
  overflow-x: hidden; /* Prevent scroll on narrow devices */
}

body {
  padding-top: 65px;
}

@media (max-width: 991.98px) {
  .offcanvas-collapse {
    position: fixed;
    top: 51px; /* Height of navbar */
    bottom: 0;
    left: 100%;
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    overflow-y: auto;
    visibility: hidden;
    background-color: #343a40;
    transition: visibility .3s ease-in-out, -webkit-transform .3s ease-in-out;
    transition: transform .3s ease-in-out, visibility .3s ease-in-out;
    transition: transform .3s ease-in-out, visibility .3s ease-in-out, -webkit-transform .3s ease-in-out;
  }
  .offcanvas-collapse.open {
    visibility: visible;
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }

  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 12.5rem;
    padding: .5rem 0;
    margin: .125rem 0 0;
    font-size: .875rem;
    color: #fff;
    text-align: left;
    list-style: none;
    background-color: #343a40;
    background-clip: padding-box;
    border: 0 solid rgba(33,33,33,.15);
    box-shadow: none;
  }

  .dropdown-item {
    display: block;
    width: 100%;
    padding: .5rem 1rem;
    clear: both;
    font-weight: 500;
    color: #fff;
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
  }

  .dropdown-item:focus, .dropdown-item:hover {
    color: #fff;
  }
}

pre {
  padding: 1rem;
  background-color: #eee;
}

.h2, h2 {
  font-size: 2rem;
}

.h3, h3 {
  font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
  color: #fff;
}