body {
  line-height: 1.5;
}
.navbar {
  display: flex;
}
.navbar::-webkit-scrollbar {
  display: none;
}
.navbar ul,
.navbar li {
  list-style: none;
}
.navbar-item {
  position: relative;
  flex: 1;
}
.navbar-item a {
  display: block;
  padding: 16px 0;
  text-align: center;
  font-size: 16px;
}
.navbar-item:hover > a {
  color: #1d4ed8;
}
.navbar-item:hover .navbar-submenu {
  display: block;
}
.navbar-item.active {
  color: #1d4ed8;
}
.navbar-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: #1d4ed8;
  border-radius: 3px;
}
.navbar-submenu {
  position: absolute;
  z-index: 10;
  top: 100%;
  left: 0;
  width: 100%;
  background: #fff;
  display: none;
}
.navbar-submenu-item:not(:last-child) {
  border-bottom: 1px solid #e5e7eb;
}
.navbar-submenu a:hover {
  background: #f5f5f5;
}
@media (max-width: 640px) {
  .navbar {
    overflow-x: auto;
    white-space: nowrap;
  }
  .navbar-item {
    padding: 0 16px;
  }
  .navbar-item.active {
    background: #1d4ed8;
    color: white;
  }
  .navbar-item.active::after {
    display: none;
  }
  .navbar-item:hover .navbar-submenu {
    display: none;
  }
}
.researchers {
  background: url('assets/researchers.png') no-repeat center / cover;
}
.scrollbar-none::-webkit-scrollbar {
  display: none;
}