.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-timing-function: ease-in-out;
  transition-duration: .3s;
  transition-property: left, visibility;
  z-index: 9999;
}
.offcanvas-collapse.open {
  left: 0;
  visibility: visible;
  z-index: 9999;
}

.nav-scroller {
  position: relative;
  z-index: 2;
  height: 2.75rem;
  overflow-y: hidden;
}

.nav-scroller .nav {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: nowrap;
  flex-wrap: nowrap;
  padding-bottom: 1rem;
  margin-top: -1px;
  overflow-x: auto;
  color: rgba(255, 255, 255, .75);
  text-align: center;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.nav-underline .nav-link {
  padding-top: .75rem;
  padding-bottom: .75rem;
  font-size: .875rem;
  color: #6c757d;
}

.nav-underline .nav-link:hover {
  color: #007bff;
}

.nav-underline .active {
  font-weight: 500;
  color: #343a40;
}