.dropup,
.dropdown {
  position: relative;
}

.dropdown-toggle::after {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0.3em solid;
  border-right: 0.3em solid transparent;
  border-bottom: 0;
  border-left: 0.3em solid transparent;
}

.dropdown-toggle:empty::after {
  margin-left: 0;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.125rem 0 0;
  color: #212529;
  text-align: left;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0.25rem;
}

.dropup .dropdown-menu {
  margin-top: 0;
  margin-bottom: 0.125rem;
}

.dropup .dropdown-toggle::after {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0;
  border-right: 0.3em solid transparent;
  border-bottom: 0.3em solid;
  border-left: 0.3em solid transparent;
}

.dropup .dropdown-toggle:empty::after {
  margin-left: 0;
}

.dropright .dropdown-menu {
  margin-top: 0;
  margin-left: 0.125rem;
}

.dropright .dropdown-toggle::after {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0.3em solid transparent;
  border-bottom: 0.3em solid transparent;
  border-left: 0.3em solid;
}

.dropright .dropdown-toggle:empty::after {
  margin-left: 0;
}

.dropright .dropdown-toggle::after {
  vertical-align: 0;
}

.dropleft .dropdown-menu {
  margin-top: 0;
  margin-right: 0.125rem;
}

.dropleft .dropdown-toggle::after {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
}

.dropleft .dropdown-toggle::after {
  display: none;
}

.dropleft .dropdown-toggle::before {
  display: inline-block;
  width: 0;
  height: 0;
  margin-right: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0.3em solid transparent;
  border-right: 0.3em solid;
  border-bottom: 0.3em solid transparent;
}

.dropleft .dropdown-toggle:empty::after {
  margin-left: 0;
}

.dropleft .dropdown-toggle::before {
  vertical-align: 0;
}

.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid #e9ecef;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.25rem 1.5rem;
  clear: both;
  font-weight: 400;
  color: #212529;
  text-align: inherit;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
}

.dropdown-item:hover, .dropdown-item:focus {
  color: #16181b;
  text-decoration: none;
  background-color: #f8f9fa;
}

.dropdown-item.active, .dropdown-item:active {
  color: #fff;
  text-decoration: none;
  background-color: #007bff;
}

.dropdown-item.disabled, .dropdown-item:disabled {
  color: #6c757d;
  background-color: transparent;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-header {
  display: block;
  padding: 0.5rem 1.5rem;
  margin-bottom: 0;
  font-size: 0.875rem;
  color: #6c757d;
  white-space: nowrap;
}

.btn-group,
.btn-group-vertical {
  position: relative;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  vertical-align: middle;
}

.btn-group > .btn,
.btn-group-vertical > .btn {
  position: relative;
  -webkit-box-flex: 0;
  -ms-flex: 0 1 auto;
  flex: 0 1 auto;
}

.btn-group > .btn:hover,
.btn-group-vertical > .btn:hover {
  z-index: 1;
}

.btn-group > .btn:focus, .btn-group > .btn:active, .btn-group > .btn.active,
.btn-group-vertical > .btn:focus,
.btn-group-vertical > .btn:active,
.btn-group-vertical > .btn.active {
  z-index: 1;
}

.btn-group .btn + .btn,
.btn-group .btn + .btn-group,
.btn-group .btn-group + .btn,
.btn-group .btn-group + .btn-group,
.btn-group-vertical .btn + .btn,
.btn-group-vertical .btn + .btn-group,
.btn-group-vertical .btn-group + .btn,
.btn-group-vertical .btn-group + .btn-group {
  margin-left: -1px;
}

.btn-toolbar {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-pack: start;
  -ms-flex-pack: start;
  justify-content: flex-start;
}

.btn-toolbar .input-group {
  width: auto;
}

.btn-group > .btn:first-child {
  margin-left: 0;
}

.btn-group > .btn:not(:last-child):not(.dropdown-toggle),
.btn-group > .btn-group:not(:last-child) > .btn {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.btn-group > .btn:not(:first-child),
.btn-group > .btn-group:not(:first-child) > .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.dropdown-toggle-split {
  padding-right: 0.5625rem;
  padding-left: 0.5625rem;
}

.dropdown-toggle-split::after {
  margin-left: 0;
}

.btn-sm + .dropdown-toggle-split, .btn-group-sm > .btn + .dropdown-toggle-split {
  padding-right: 0.375rem;
  padding-left: 0.375rem;
}

.btn-lg + .dropdown-toggle-split, .btn-group-lg > .btn + .dropdown-toggle-split {
  padding-right: 0.75rem;
  padding-left: 0.75rem;
}

.btn-group-vertical {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.btn-group-vertical .btn,
.btn-group-vertical .btn-group {
  width: 100%;
}

.btn-group-vertical > .btn + .btn,
.btn-group-vertical > .btn + .btn-group,
.btn-group-vertical > .btn-group + .btn,
.btn-group-vertical > .btn-group + .btn-group {
  margin-top: -1px;
  margin-left: 0;
}

.btn-group-vertical > .btn:not(:last-child):not(.dropdown-toggle),
.btn-group-vertical > .btn-group:not(:last-child) > .btn {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group-vertical > .btn:not(:first-child),
.btn-group-vertical > .btn-group:not(:first-child) > .btn {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.btn-group-toggle > .btn,
.btn-group-toggle > .btn-group > .btn {
  margin-bottom: 0;
}

.btn-group-toggle > .btn input[type="radio"],
.btn-group-toggle > .btn input[type="checkbox"],
.btn-group-toggle > .btn-group > .btn input[type="radio"],
.btn-group-toggle > .btn-group > .btn input[type="checkbox"] {
  position: absolute;
  clip: rect(0, 0, 0, 0);
  pointer-events: none;
}