/*!
 * This is a patch to enable .dropdown-menu to work when js is disabled.
 * Bootstrap has removed this support(since bs4-beta) as they rather rely on Popper.js,
 * which requires javascript to be enabled. When JS is enabled this fix does not interfere
 * with the workings of dropdown-menu.
 */
.show > .dropdown-menu {
  display: block;
}