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

@media (max-width: 991.98px) {
  .offcanvas-collapse {
    position: fixed;
    top: 72px; /* Height of navbar */
    bottom: 0;
    left: -100%;
    width: 100%;
    max-width:320px;
    height: calc(100vh - 72px);
    padding-right: 1rem;
    padding-left: 1rem;
    overflow-y: auto;
    visibility: hidden;
    background-color: #e9e9e9;
    transition: all .3s ease-in-out, visibility .3s ease-in-out;
    padding-top:2rem;
  }

  .offcanvas-collapse.open {
    visibility: visible;
    transform: translateX(0%);
    left:0;
  }
  nav .nav-link{font-size:1.2rem!important;}
  nav.navbar{background-color:#fff; border-bottom:solid 2px #dc3545; position:fixed; width:100%;}
  .navbar-collapse{visibility:visible!important;}
}

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

.nav-scroller .nav {
  display: flex;
  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;
}

.text-white-50 { color: rgba(255, 255, 255, .5); }

.bg-purple { background-color: #6f42c1; }
.nav-backdrop { position: fixed; top: 0; left: 0; z-index: 1040; width: 100vw; height: 100vh; background-color: #000; display:none}
.nav-backdrop.show{background-color:rgba(0,0,0,0.7); backdrop-filter:blur(20px); opacity:1; top:72px; z-index:-3; display:block;}