/* dropdown logic only */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  list-style: none;
}

.open > .dropdown-menu {
  display: block;
}

/* generic show/hide helpers */
.show {
  display: block !important;
}

.hide,
.hidden {
  display: none !important;
}

/* collapse logic only */
.collapse {
  display: none;
}

.collapse.in {
  display: block;
}

tr.collapse.in {
  display: table-row;
}

tbody.collapse.in {
  display: table-row-group;
}

.collapsing {
  height: 0;
  overflow: hidden;
}

/* bootstrap responsive visibility helpers, only if you still use them */
.visible-xs,
.visible-sm,
.visible-md,
.visible-lg {
  display: none !important;
}

@media (max-width: 767px) {
  .visible-xs {
    display: block !important;
  }

  table.visible-xs {
    display: table !important;
  }

  tr.visible-xs {
    display: table-row !important;
  }

  th.visible-xs,
  td.visible-xs {
    display: table-cell !important;
  }

  .hidden-xs {
    display: none !important;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .visible-sm {
    display: block !important;
  }

  table.visible-sm {
    display: table !important;
  }

  tr.visible-sm {
    display: table-row !important;
  }

  th.visible-sm,
  td.visible-sm {
    display: table-cell !important;
  }

  .hidden-sm {
    display: none !important;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .visible-md {
    display: block !important;
  }

  table.visible-md {
    display: table !important;
  }

  tr.visible-md {
    display: table-row !important;
  }

  th.visible-md,
  td.visible-md {
    display: table-cell !important;
  }

  .hidden-md {
    display: none !important;
  }
}

@media (min-width: 1200px) {
  .visible-lg {
    display: block !important;
  }

  table.visible-lg {
    display: table !important;
  }

  tr.visible-lg {
    display: table-row !important;
  }

  th.visible-lg,
  td.visible-lg {
    display: table-cell !important;
  }

  .hidden-lg {
    display: none !important;
  }
}