@charset "utf-8";
/* CSS Document */
.form-control-plaintext.form-control-sm, .input-group-sm > .form-control-plaintext.form-control,
.input-group-sm > .form-control-plaintext.input-group-addon,
.input-group-sm > .input-group-btn > .form-control-plaintext.btn, .form-control-plaintext.form-control-lg, .input-group-lg > .form-control-plaintext.form-control,
.input-group-lg > .form-control-plaintext.input-group-addon,
.input-group-lg > .input-group-btn > .form-control-plaintext.btn {
  padding-right: 0;
  padding-left: 0;
}

.form-control-sm, .input-group-sm > .form-control,
.input-group-sm > .input-group-addon,
.input-group-sm > .input-group-btn > .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border-radius: 0.2rem;
}

select.form-control-sm:not([size]):not([multiple]), .input-group-sm > select.form-control:not([size]):not([multiple]),
.input-group-sm > select.input-group-addon:not([size]):not([multiple]),
.input-group-sm > .input-group-btn > select.btn:not([size]):not([multiple]) {
  height: calc(1.8125rem + 2px);
}

.form-control-lg, .input-group-lg > .form-control,
.input-group-lg > .input-group-addon,
.input-group-lg > .input-group-btn > .btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  border-radius: 0.3rem;
}

select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.form-control:not([size]):not([multiple]),
.input-group-lg > select.input-group-addon:not([size]):not([multiple]),
.input-group-lg > .input-group-btn > select.btn:not([size]):not([multiple]) {
  height: calc(2.875rem + 2px);
}

.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn:focus, .btn:hover {
  text-decoration: none;
}

.btn:focus, .btn.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn.disabled, .btn:disabled {
  opacity: .65;
}

.btn:not([disabled]):not(.disabled):active, .btn:not([disabled]):not(.disabled).active {
  background-image: none;
}

a.btn.disabled,
fieldset[disabled] a.btn {
  pointer-events: none;
}

.btn-primary {
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
}

.btn-primary:hover {
  color: #fff;
  background-color: #0069d9;
  border-color: #0062cc;
}

.btn-primary:focus, .btn-primary.focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}

.btn-primary.disabled, .btn-primary:disabled {
  background-color: #007bff;
  border-color: #007bff;
}

.btn-primary:not([disabled]):not(.disabled):active, .btn-primary:not([disabled]):not(.disabled).active,
.show > .btn-primary.dropdown-toggle {
  color: #fff;
  background-color: #0062cc;
  border-color: #005cbf;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}

.btn-secondary {
  color: #fff;
  background-color: #868e96;
  border-color: #868e96;
}

.btn-secondary:hover {
  color: #fff;
  background-color: #727b84;
  border-color: #6c757d;
}

.btn-secondary:focus, .btn-secondary.focus {
  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
}

.btn-secondary.disabled, .btn-secondary:disabled {
  background-color: #868e96;
  border-color: #868e96;
}

.btn-secondary:not([disabled]):not(.disabled):active, .btn-secondary:not([disabled]):not(.disabled).active,
.show > .btn-secondary.dropdown-toggle {
  color: #fff;
  background-color: #6c757d;
  border-color: #666e76;
  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
}

.btn-success {
  color: #fff;
  background-color: #28a745;
  border-color: #28a745;
}

.btn-success:hover {
  color: #fff;
  background-color: #218838;
  border-color: #1e7e34;
}

.btn-success:focus, .btn-success.focus {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}

.btn-success.disabled, .btn-success:disabled {
  background-color: #28a745;
  border-color: #28a745;
}

.btn-success:not([disabled]):not(.disabled):active, .btn-success:not([disabled]):not(.disabled).active,
.show > .btn-success.dropdown-toggle {
  color: #fff;
  background-color: #1e7e34;
  border-color: #1c7430;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}

.btn-info {
  color: #fff;
  background-color: #17a2b8;
  border-color: #17a2b8;
}

.btn-info:hover {
  color: #fff;
  background-color: #138496;
  border-color: #117a8b;
}

.btn-info:focus, .btn-info.focus {
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}

.btn-info.disabled, .btn-info:disabled {
  background-color: #17a2b8;
  border-color: #17a2b8;
}

.btn-info:not([disabled]):not(.disabled):active, .btn-info:not([disabled]):not(.disabled).active,
.show > .btn-info.dropdown-toggle {
  color: #fff;
  background-color: #117a8b;
  border-color: #10707f;
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}

.btn-warning {
  color: #111;
  background-color: #ffc107;
  border-color: #ffc107;
}

.btn-warning:hover {
  color: #111;
  background-color: #e0a800;
  border-color: #d39e00;
}

.btn-warning:focus, .btn-warning.focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}

.btn-warning.disabled, .btn-warning:disabled {
  background-color: #ffc107;
  border-color: #ffc107;
}

.btn-warning:not([disabled]):not(.disabled):active, .btn-warning:not([disabled]):not(.disabled).active,
.show > .btn-warning.dropdown-toggle {
  color: #111;
  background-color: #d39e00;
  border-color: #c69500;
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}

.btn-danger {
  color: #fff;
  background-color: #dc3545;
  border-color: #dc3545;
}

.btn-danger:hover {
  color: #fff;
  background-color: #c82333;
  border-color: #bd2130;
}

.btn-danger:focus, .btn-danger.focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}

.btn-danger.disabled, .btn-danger:disabled {
  background-color: #dc3545;
  border-color: #dc3545;
}

.btn-danger:not([disabled]):not(.disabled):active, .btn-danger:not([disabled]):not(.disabled).active,
.show > .btn-danger.dropdown-toggle {
  color: #fff;
  background-color: #bd2130;
  border-color: #b21f2d;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}

.btn-light {
  color: #111;
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}

.btn-light:hover {
  color: #111;
  background-color: #e2e6ea;
  border-color: #dae0e5;
}

.btn-light:focus, .btn-light.focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}

.btn-light.disabled, .btn-light:disabled {
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}

.btn-light:not([disabled]):not(.disabled):active, .btn-light:not([disabled]):not(.disabled).active,
.show > .btn-light.dropdown-toggle {
  color: #111;
  background-color: #dae0e5;
  border-color: #d3d9df;
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}

.btn-dark {
  color: #fff;
  background-color: #343a40;
  border-color: #343a40;
}

.btn-dark:hover {
  color: #fff;
  background-color: #23272b;
  border-color: #1d2124;
}

.btn-dark:focus, .btn-dark.focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}

.btn-dark.disabled, .btn-dark:disabled {
  background-color: #343a40;
  border-color: #343a40;
}

.btn-dark:not([disabled]):not(.disabled):active, .btn-dark:not([disabled]):not(.disabled).active,
.show > .btn-dark.dropdown-toggle {
  color: #fff;
  background-color: #1d2124;
  border-color: #171a1d;
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}

.btn-outline-primary {
  color: #007bff;
  background-color: transparent;
  background-image: none;
  border-color: #007bff;
}

.btn-outline-primary:hover {
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
}

.btn-outline-primary:focus, .btn-outline-primary.focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}

.btn-outline-primary.disabled, .btn-outline-primary:disabled {
  color: #007bff;
  background-color: transparent;
}

.btn-outline-primary:not([disabled]):not(.disabled):active, .btn-outline-primary:not([disabled]):not(.disabled).active,
.show > .btn-outline-primary.dropdown-toggle {
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}

.btn-outline-secondary {
  color: #868e96;
  background-color: transparent;
  background-image: none;
  border-color: #868e96;
}

.btn-outline-secondary:hover {
  color: #fff;
  background-color: #868e96;
  border-color: #868e96;
}

.btn-outline-secondary:focus, .btn-outline-secondary.focus {
  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
}

.btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
  color: #868e96;
  background-color: transparent;
}

.btn-outline-secondary:not([disabled]):not(.disabled):active, .btn-outline-secondary:not([disabled]):not(.disabled).active,
.show > .btn-outline-secondary.dropdown-toggle {
  color: #fff;
  background-color: #868e96;
  border-color: #868e96;
  box-shadow: 0 0 0 0.2rem rgba(134, 142, 150, 0.5);
}

.btn-outline-success {
  color: #28a745;
  background-color: transparent;
  background-image: none;
  border-color: #28a745;
}

.btn-outline-success:hover {
  color: #fff;
  background-color: #28a745;
  border-color: #28a745;
}

.btn-outline-success:focus, .btn-outline-success.focus {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}

.btn-outline-success.disabled, .btn-outline-success:disabled {
  color: #28a745;
  background-color: transparent;
}

.btn-outline-success:not([disabled]):not(.disabled):active, .btn-outline-success:not([disabled]):not(.disabled).active,
.show > .btn-outline-success.dropdown-toggle {
  color: #fff;
  background-color: #28a745;
  border-color: #28a745;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}

.btn-outline-info {
  color: #17a2b8;
  background-color: transparent;
  background-image: none;
  border-color: #17a2b8;
}

.btn-outline-info:hover {
  color: #fff;
  background-color: #17a2b8;
  border-color: #17a2b8;
}

.btn-outline-info:focus, .btn-outline-info.focus {
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}

.btn-outline-info.disabled, .btn-outline-info:disabled {
  color: #17a2b8;
  background-color: transparent;
}

.btn-outline-info:not([disabled]):not(.disabled):active, .btn-outline-info:not([disabled]):not(.disabled).active,
.show > .btn-outline-info.dropdown-toggle {
  color: #fff;
  background-color: #17a2b8;
  border-color: #17a2b8;
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}

.btn-outline-warning {
  color: #ffc107;
  background-color: transparent;
  background-image: none;
  border-color: #ffc107;
}

.btn-outline-warning:hover {
  color: #fff;
  background-color: #ffc107;
  border-color: #ffc107;
}

.btn-outline-warning:focus, .btn-outline-warning.focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}

.btn-outline-warning.disabled, .btn-outline-warning:disabled {
  color: #ffc107;
  background-color: transparent;
}

.btn-outline-warning:not([disabled]):not(.disabled):active, .btn-outline-warning:not([disabled]):not(.disabled).active,
.show > .btn-outline-warning.dropdown-toggle {
  color: #fff;
  background-color: #ffc107;
  border-color: #ffc107;
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}

.btn-outline-danger {
  color: #dc3545;
  background-color: transparent;
  background-image: none;
  border-color: #dc3545;
}

.btn-outline-danger:hover {
  color: #fff;
  background-color: #dc3545;
  border-color: #dc3545;
}

.btn-outline-danger:focus, .btn-outline-danger.focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}

.btn-outline-danger.disabled, .btn-outline-danger:disabled {
  color: #dc3545;
  background-color: transparent;
}

.btn-outline-danger:not([disabled]):not(.disabled):active, .btn-outline-danger:not([disabled]):not(.disabled).active,
.show > .btn-outline-danger.dropdown-toggle {
  color: #fff;
  background-color: #dc3545;
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}

.btn-outline-light {
  color: #f8f9fa;
  background-color: transparent;
  background-image: none;
  border-color: #f8f9fa;
}

.btn-outline-light:hover {
  color: #212529;
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}

.btn-outline-light:focus, .btn-outline-light.focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}

.btn-outline-light.disabled, .btn-outline-light:disabled {
  color: #f8f9fa;
  background-color: transparent;
}

.btn-outline-light:not([disabled]):not(.disabled):active, .btn-outline-light:not([disabled]):not(.disabled).active,
.show > .btn-outline-light.dropdown-toggle {
  color: #212529;
  background-color: #f8f9fa;
  border-color: #f8f9fa;
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}

.btn-outline-dark {
  color: #343a40;
  background-color: transparent;
  background-image: none;
  border-color: #343a40;
}

.btn-outline-dark:hover {
  color: #fff;
  background-color: #343a40;
  border-color: #343a40;
}

.btn-outline-dark:focus, .btn-outline-dark.focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}

.btn-outline-dark.disabled, .btn-outline-dark:disabled {
  color: #343a40;
  background-color: transparent;
}

.btn-outline-dark:not([disabled]):not(.disabled):active, .btn-outline-dark:not([disabled]):not(.disabled).active,
.show > .btn-outline-dark.dropdown-toggle {
  color: #fff;
  background-color: #343a40;
  border-color: #343a40;
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}

.btn-link {
  font-weight: 400;
  color: #007bff;
  background-color: transparent;
}

.btn-link:hover {
  color: #0056b3;
  text-decoration: underline;
  background-color: transparent;
  border-color: transparent;
}

.btn-link:focus, .btn-link.focus {
  border-color: transparent;
  box-shadow: none;
}

.btn-link:disabled, .btn-link.disabled {
  color: #868e96;
}

.btn-lg, .btn-group-lg > .btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  border-radius: 0.3rem;
}

.btn-sm, .btn-group-sm > .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border-radius: 0.2rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-block + .btn-block {
  margin-top: 0.5rem;
}

input[type="submit"].btn-block,
input[type="reset"].btn-block,
input[type="button"].btn-block {
  width: 100%;
}

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

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

.btn-group > .btn:hover,
.btn-group-vertical > .btn:hover {
  z-index: 2;
}

.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: 2;
}

.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: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -ms-flex-pack: start;
      justify-content: flex-start;
}

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

.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
  border-radius: 0;
}

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

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

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

.btn-group > .btn-group {
  float: left;
}

.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
  border-radius: 0;
}

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

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

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

.btn + .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 {
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-align: start;
      align-items: flex-start;
  -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(:first-child):not(:last-child) {
  border-radius: 0;
}

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

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

.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
  border-radius: 0;
}

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

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

[data-toggle="buttons"] > .btn input[type="radio"],
[data-toggle="buttons"] > .btn input[type="checkbox"],
[data-toggle="buttons"] > .btn-group > .btn input[type="radio"],
[data-toggle="buttons"] > .btn-group > .btn input[type="checkbox"] {
  position: absolute;
  clip: rect(0, 0, 0, 0);
  pointer-events: none;
}
.input-group-addon,
.input-group-btn,
.input-group .form-control {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
}

.input-group-addon:not(:first-child):not(:last-child),
.input-group-btn:not(:first-child):not(:last-child),
.input-group .form-control:not(:first-child):not(:last-child) {
  border-radius: 0;
}

.input-group-addon,
.input-group-btn {
  white-space: nowrap;
}

.input-group-addon {
  padding: 0.375rem 0.75rem;
  margin-bottom: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #495057;
  text-align: center;
  background-color: #e9ecef;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
}

.input-group-addon.form-control-sm,
.input-group-sm > .input-group-addon,
.input-group-sm > .input-group-btn > .input-group-addon.btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.2rem;
}

.input-group-addon.form-control-lg,
.input-group-lg > .input-group-addon,
.input-group-lg > .input-group-btn > .input-group-addon.btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  border-radius: 0.3rem;
}

.input-group-addon input[type="radio"],
.input-group-addon input[type="checkbox"] {
  margin-top: 0;
}

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

.input-group-addon:not(:last-child) {
  border-right: 0;
}

.input-group .form-control:not(:first-child),
.input-group-addon:not(:first-child),
.input-group-btn:not(:first-child) > .btn,
.input-group-btn:not(:first-child) > .btn-group > .btn,
.input-group-btn:not(:first-child) > .dropdown-toggle,
.input-group-btn:not(:last-child) > .btn:not(:first-child),
.input-group-btn:not(:last-child) > .btn-group:not(:first-child) > .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.form-control + .input-group-addon:not(:first-child) {
  border-left: 0;
}

.input-group-btn {
  position: relative;
  -ms-flex-align: stretch;
      align-items: stretch;
  font-size: 0;
  white-space: nowrap;
}

.input-group-btn > .btn {
  position: relative;
}

.input-group-btn > .btn + .btn {
  margin-left: -1px;
}

.input-group-btn > .btn:focus, .input-group-btn > .btn:active, .input-group-btn > .btn:hover {
  z-index: 3;
}

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

.input-group-btn:not(:last-child) > .btn,
.input-group-btn:not(:last-child) > .btn-group {
  margin-right: -1px;
}

.input-group-btn:not(:first-child) > .btn,
.input-group-btn:not(:first-child) > .btn-group {
  z-index: 2;
  margin-left: 0;
}

.input-group-btn:not(:first-child) > .btn:first-child,
.input-group-btn:not(:first-child) > .btn-group:first-child {
  margin-left: -1px;
}

.input-group-btn:not(:first-child) > .btn:focus, .input-group-btn:not(:first-child) > .btn:active, .input-group-btn:not(:first-child) > .btn:hover,
.input-group-btn:not(:first-child) > .btn-group:focus,
.input-group-btn:not(:first-child) > .btn-group:active,
.input-group-btn:not(:first-child) > .btn-group:hover {
  z-index: 3;
}