bootstrap4.css
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}
bootstrap4.css
label {
  display: inline-block;
  margin-bottom: 0.5rem;
}
bootstrap4.css
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}
bootstrap4.css
.list-inline-item:not(:last-child) {
  margin-right: 0.5rem;
}
bootstrap4.css
.figure-img {
  margin-bottom: 0.5rem;
  line-height: 1;
}
bootstrap4.css
.col-form-label-lg {
  padding-top: calc(0.5rem + 1px);
  padding-bottom: calc(0.5rem + 1px);
  font-size: 1.25rem;
  line-height: 1.5;
}
bootstrap4.css
.form-control-sm {
  height: calc(1.5em + 0.5rem + 2px);
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border-radius: 0.2rem;
}
bootstrap4.css
.form-control-lg {
  height: calc(1.5em + 1rem + 2px);
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  border-radius: 0.3rem;
}
bootstrap4.css
.valid-tooltip {
  position: absolute;
  top: 100%;
  z-index: 5;
  display: none;
  max-width: 100%;
  padding: 0.25rem 0.5rem;
  margin-top: .1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #fff;
  background-color: rgba(40, 167, 69, 0.9);
  border-radius: 0.25rem;
}
bootstrap4.css
.invalid-tooltip {
  position: absolute;
  top: 100%;
  z-index: 5;
  display: none;
  max-width: 100%;
  padding: 0.25rem 0.5rem;
  margin-top: .1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #fff;
  background-color: rgba(220, 53, 69, 0.9);
  border-radius: 0.25rem;
}
bootstrap4.css
.btn-primary:focus, .btn-primary.focus {
  box-shadow: 0 0 0 0.2rem rgba(38, 143, 255, 0.5);
}
bootstrap4.css
.btn-primary:not(:disabled):not(.disabled):active:focus, .btn-primary:not(:disabled):not(.disabled).active:focus,
.show > .btn-primary.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(38, 143, 255, 0.5);
}
bootstrap4.css
.btn-secondary:focus, .btn-secondary.focus {
  box-shadow: 0 0 0 0.2rem rgba(130, 138, 145, 0.5);
}
bootstrap4.css
.btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus,
.show > .btn-secondary.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(130, 138, 145, 0.5);
}
bootstrap4.css
.btn-success:focus, .btn-success.focus {
  box-shadow: 0 0 0 0.2rem rgba(72, 180, 97, 0.5);
}
bootstrap4.css
.btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus,
.show > .btn-success.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(72, 180, 97, 0.5);
}
bootstrap4.css
.btn-info:focus, .btn-info.focus {
  box-shadow: 0 0 0 0.2rem rgba(58, 176, 195, 0.5);
}
bootstrap4.css
.btn-info:not(:disabled):not(.disabled):active:focus, .btn-info:not(:disabled):not(.disabled).active:focus,
.show > .btn-info.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(58, 176, 195, 0.5);
}
bootstrap4.css
.btn-warning:focus, .btn-warning.focus {
  box-shadow: 0 0 0 0.2rem rgba(222, 170, 12, 0.5);
}
bootstrap4.css
.btn-warning:not(:disabled):not(.disabled):active:focus, .btn-warning:not(:disabled):not(.disabled).active:focus,
.show > .btn-warning.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(222, 170, 12, 0.5);
}
bootstrap4.css
.btn-danger:focus, .btn-danger.focus {
  box-shadow: 0 0 0 0.2rem rgba(225, 83, 97, 0.5);
}
bootstrap4.css
.btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus,
.show > .btn-danger.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(225, 83, 97, 0.5);
}
bootstrap4.css
.btn-light:focus, .btn-light.focus {
  box-shadow: 0 0 0 0.2rem rgba(216, 217, 219, 0.5);
}
bootstrap4.css
.btn-light:not(:disabled):not(.disabled):active:focus, .btn-light:not(:disabled):not(.disabled).active:focus,
.show > .btn-light.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(216, 217, 219, 0.5);
}
bootstrap4.css
.btn-dark:focus, .btn-dark.focus {
  box-shadow: 0 0 0 0.2rem rgba(82, 88, 93, 0.5);
}
bootstrap4.css
.btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus,
.show > .btn-dark.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(82, 88, 93, 0.5);
}
bootstrap4.css
.btn-outline-primary:focus, .btn-outline-primary.focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.btn-outline-primary:not(:disabled):not(.disabled):active:focus, .btn-outline-primary:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-primary.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.btn-outline-secondary:focus, .btn-outline-secondary.focus {
  box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
}
bootstrap4.css
.btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-secondary.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
}
bootstrap4.css
.btn-outline-success:focus, .btn-outline-success.focus {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}
bootstrap4.css
.btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-success.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}
bootstrap4.css
.btn-outline-info:focus, .btn-outline-info.focus {
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}
bootstrap4.css
.btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-info.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}
bootstrap4.css
.btn-outline-warning:focus, .btn-outline-warning.focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}
bootstrap4.css
.btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-warning.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}
bootstrap4.css
.btn-outline-danger:focus, .btn-outline-danger.focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}
bootstrap4.css
.btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-danger.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}
bootstrap4.css
.btn-outline-light:focus, .btn-outline-light.focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}
bootstrap4.css
.btn-outline-light:not(:disabled):not(.disabled):active:focus, .btn-outline-light:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-light.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}
bootstrap4.css
.btn-outline-dark:focus, .btn-outline-dark.focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}
bootstrap4.css
.btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus,
.show > .btn-outline-dark.dropdown-toggle:focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}
bootstrap4.css
.btn-lg, .btn-group-lg > .btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  border-radius: 0.3rem;
}
bootstrap4.css
.btn-sm, .btn-group-sm > .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border-radius: 0.2rem;
}
bootstrap4.css
.btn-block + .btn-block {
  margin-top: 0.5rem;
}
bootstrap4.css
.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;
  font-size: 1rem;
  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;
}
bootstrap4.css
.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid #e9ecef;
}
bootstrap4.css
.dropdown-header {
  display: block;
  padding: 0.5rem 1.5rem;
  margin-bottom: 0;
  font-size: 0.875rem;
  color: #6c757d;
  white-space: nowrap;
}
bootstrap4.css
.dropdown-toggle-split {
  padding-right: 0.5625rem;
  padding-left: 0.5625rem;
}
bootstrap4.css
.input-group-lg > .form-control,
.input-group-lg > .custom-select,
.input-group-lg > .input-group-prepend > .input-group-text,
.input-group-lg > .input-group-append > .input-group-text,
.input-group-lg > .input-group-prepend > .btn,
.input-group-lg > .input-group-append > .btn {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  line-height: 1.5;
  border-radius: 0.3rem;
}
bootstrap4.css
.input-group-sm > .form-control:not(textarea),
.input-group-sm > .custom-select {
  height: calc(1.5em + 0.5rem + 2px);
}
bootstrap4.css
.input-group-sm > .form-control,
.input-group-sm > .custom-select,
.input-group-sm > .input-group-prepend > .input-group-text,
.input-group-sm > .input-group-append > .input-group-text,
.input-group-sm > .input-group-prepend > .btn,
.input-group-sm > .input-group-append > .btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border-radius: 0.2rem;
}
bootstrap4.css
.custom-checkbox .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.custom-checkbox .custom-control-input:disabled:indeterminate ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.custom-radio .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.custom-switch .custom-control-label::before {
  left: -2.25rem;
  width: 1.75rem;
  pointer-events: all;
  border-radius: 0.5rem;
}
bootstrap4.css
.custom-switch .custom-control-label::after {
  top: calc(0.25rem + 2px);
  left: calc(-2.25rem + 2px);
  width: calc(1rem - 4px);
  height: calc(1rem - 4px);
  background-color: #adb5bd;
  border-radius: 0.5rem;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-transform 0.15s ease-in-out;
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-transform 0.15s ease-in-out;
}
bootstrap4.css
.custom-switch .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}
bootstrap4.css
.custom-select-sm {
  height: calc(1.5em + 0.5rem + 2px);
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  padding-left: 0.5rem;
  font-size: 0.875rem;
}
bootstrap4.css
.custom-select-lg {
  height: calc(1.5em + 1rem + 2px);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: 1rem;
  font-size: 1.25rem;
}
bootstrap4.css
.custom-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: #dee2e6;
  border-color: transparent;
  border-radius: 1rem;
}
bootstrap4.css
.custom-range::-moz-range-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: #dee2e6;
  border-color: transparent;
  border-radius: 1rem;
}
bootstrap4.css
.custom-range::-ms-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: transparent;
  border-color: transparent;
  border-width: 0.5rem;
}
bootstrap4.css
.nav-link {
  display: block;
  padding: 0.5rem 1rem;
}
bootstrap4.css
.navbar {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding: 0.5rem 1rem;
}
bootstrap4.css
.navbar-text {
  display: inline-block;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
bootstrap4.css
@media (min-width: 576px) {
  .navbar-expand-sm {
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .navbar-expand-sm .navbar-nav {
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .navbar-expand-sm .navbar-nav .dropdown-menu {
    position: absolute;
  }
  .navbar-expand-sm .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }
  .navbar-expand-sm > .container,
  .navbar-expand-sm > .container-fluid {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
  }
  .navbar-expand-sm .navbar-collapse {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
  }
  .navbar-expand-sm .navbar-toggler {
    display: none;
  }
}
bootstrap4.css
@media (min-width: 768px) {
  .navbar-expand-md {
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .navbar-expand-md .navbar-nav {
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .navbar-expand-md .navbar-nav .dropdown-menu {
    position: absolute;
  }
  .navbar-expand-md .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }
  .navbar-expand-md > .container,
  .navbar-expand-md > .container-fluid {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
  }
  .navbar-expand-md .navbar-collapse {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
  }
  .navbar-expand-md .navbar-toggler {
    display: none;
  }
}
bootstrap4.css
@media (min-width: 992px) {
  .navbar-expand-lg {
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .navbar-expand-lg .navbar-nav {
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .navbar-expand-lg .navbar-nav .dropdown-menu {
    position: absolute;
  }
  .navbar-expand-lg .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }
  .navbar-expand-lg > .container,
  .navbar-expand-lg > .container-fluid {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
  }
  .navbar-expand-lg .navbar-collapse {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
  }
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
}
bootstrap4.css
@media (min-width: 1200px) {
  .navbar-expand-xl {
    -ms-flex-flow: row nowrap;
    flex-flow: row nowrap;
    -ms-flex-pack: start;
    justify-content: flex-start;
  }
  .navbar-expand-xl .navbar-nav {
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .navbar-expand-xl .navbar-nav .dropdown-menu {
    position: absolute;
  }
  .navbar-expand-xl .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }
  .navbar-expand-xl > .container,
  .navbar-expand-xl > .container-fluid {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
  }
  .navbar-expand-xl .navbar-collapse {
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
  }
  .navbar-expand-xl .navbar-toggler {
    display: none;
  }
}
bootstrap4.css
.navbar-expand .navbar-nav .nav-link {
  padding-right: 0.5rem;
  padding-left: 0.5rem;
}
bootstrap4.css
.navbar-light .navbar-nav .nav-link {
  color: rgba(0, 0, 0, 0.5);
}
bootstrap4.css
.navbar-light .navbar-toggler {
  color: rgba(0, 0, 0, 0.5);
  border-color: rgba(0, 0, 0, 0.1);
}
bootstrap4.css
.navbar-light .navbar-text {
  color: rgba(0, 0, 0, 0.5);
}
bootstrap4.css
.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.5);
}
bootstrap4.css
.navbar-dark .navbar-toggler {
  color: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.1);
}
bootstrap4.css
.navbar-dark .navbar-text {
  color: rgba(255, 255, 255, 0.5);
}
bootstrap4.css
.breadcrumb-item + .breadcrumb-item {
  padding-left: 0.5rem;
}
bootstrap4.css
.breadcrumb-item + .breadcrumb-item::before {
  display: inline-block;
  padding-right: 0.5rem;
  color: #6c757d;
  content: "/";
}
bootstrap4.css
.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: #007bff;
  background-color: #fff;
  border: 1px solid #dee2e6;
}
bootstrap4.css
.pagination-sm .page-link {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
}
bootstrap4.css
a.badge-primary:focus, a.badge-primary.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}
bootstrap4.css
a.badge-secondary:focus, a.badge-secondary.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
}
bootstrap4.css
a.badge-success:focus, a.badge-success.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}
bootstrap4.css
a.badge-info:focus, a.badge-info.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}
bootstrap4.css
a.badge-warning:focus, a.badge-warning.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}
bootstrap4.css
a.badge-danger:focus, a.badge-danger.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}
bootstrap4.css
a.badge-light:focus, a.badge-light.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}
bootstrap4.css
a.badge-dark:focus, a.badge-dark.focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}
bootstrap4.css
.modal-dialog {
  position: relative;
  width: auto;
  margin: 0.5rem;
  pointer-events: none;
}
bootstrap4.css
.modal-backdrop.show {
  opacity: 0.5;
}
bootstrap4.css
.tooltip-inner {
  max-width: 200px;
  padding: 0.25rem 0.5rem;
  color: #fff;
  text-align: center;
  background-color: #000;
  border-radius: 0.25rem;
}
bootstrap4.css
.popover .arrow {
  position: absolute;
  display: block;
  width: 1rem;
  height: 0.5rem;
  margin: 0 0.3rem;
}
bootstrap4.css
.bs-popover-top, .bs-popover-auto[x-placement^="top"] {
  margin-bottom: 0.5rem;
}
bootstrap4.css
.bs-popover-top > .arrow, .bs-popover-auto[x-placement^="top"] > .arrow {
  bottom: calc((0.5rem + 1px) * -1);
}
bootstrap4.css
.bs-popover-top > .arrow::before, .bs-popover-auto[x-placement^="top"] > .arrow::before {
  bottom: 0;
  border-width: 0.5rem 0.5rem 0;
  border-top-color: rgba(0, 0, 0, 0.25);
}
bootstrap4.css
.bs-popover-top > .arrow::after, .bs-popover-auto[x-placement^="top"] > .arrow::after {
  bottom: 1px;
  border-width: 0.5rem 0.5rem 0;
  border-top-color: #fff;
}
bootstrap4.css
.bs-popover-right, .bs-popover-auto[x-placement^="right"] {
  margin-left: 0.5rem;
}
bootstrap4.css
.bs-popover-right > .arrow, .bs-popover-auto[x-placement^="right"] > .arrow {
  left: calc((0.5rem + 1px) * -1);
  width: 0.5rem;
  height: 1rem;
  margin: 0.3rem 0;
}
bootstrap4.css
.bs-popover-right > .arrow::before, .bs-popover-auto[x-placement^="right"] > .arrow::before {
  left: 0;
  border-width: 0.5rem 0.5rem 0.5rem 0;
  border-right-color: rgba(0, 0, 0, 0.25);
}
bootstrap4.css
.bs-popover-right > .arrow::after, .bs-popover-auto[x-placement^="right"] > .arrow::after {
  left: 1px;
  border-width: 0.5rem 0.5rem 0.5rem 0;
  border-right-color: #fff;
}
bootstrap4.css
.bs-popover-bottom, .bs-popover-auto[x-placement^="bottom"] {
  margin-top: 0.5rem;
}
bootstrap4.css
.bs-popover-bottom > .arrow, .bs-popover-auto[x-placement^="bottom"] > .arrow {
  top: calc((0.5rem + 1px) * -1);
}
bootstrap4.css
.bs-popover-bottom > .arrow::before, .bs-popover-auto[x-placement^="bottom"] > .arrow::before {
  top: 0;
  border-width: 0 0.5rem 0.5rem 0.5rem;
  border-bottom-color: rgba(0, 0, 0, 0.25);
}
bootstrap4.css
.bs-popover-bottom > .arrow::after, .bs-popover-auto[x-placement^="bottom"] > .arrow::after {
  top: 1px;
  border-width: 0 0.5rem 0.5rem 0.5rem;
  border-bottom-color: #fff;
}
bootstrap4.css
.bs-popover-bottom .popover-header::before, .bs-popover-auto[x-placement^="bottom"] .popover-header::before {
  position: absolute;
  top: 0;
  left: 50%;
  display: block;
  width: 1rem;
  margin-left: -0.5rem;
  content: "";
  border-bottom: 1px solid #f7f7f7;
}
bootstrap4.css
.bs-popover-left, .bs-popover-auto[x-placement^="left"] {
  margin-right: 0.5rem;
}
bootstrap4.css
.bs-popover-left > .arrow, .bs-popover-auto[x-placement^="left"] > .arrow {
  right: calc((0.5rem + 1px) * -1);
  width: 0.5rem;
  height: 1rem;
  margin: 0.3rem 0;
}
bootstrap4.css
.bs-popover-left > .arrow::before, .bs-popover-auto[x-placement^="left"] > .arrow::before {
  right: 0;
  border-width: 0.5rem 0 0.5rem 0.5rem;
  border-left-color: rgba(0, 0, 0, 0.25);
}
bootstrap4.css
.bs-popover-left > .arrow::after, .bs-popover-auto[x-placement^="left"] > .arrow::after {
  right: 1px;
  border-width: 0.5rem 0 0.5rem 0.5rem;
  border-left-color: #fff;
}
bootstrap4.css
.popover-header {
  padding: 0.5rem 0.75rem;
  margin-bottom: 0;
  font-size: 1rem;
  background-color: #f7f7f7;
  border-bottom: 1px solid #ebebeb;
  border-top-left-radius: calc(0.3rem - 1px);
  border-top-right-radius: calc(0.3rem - 1px);
}
bootstrap4.css
.popover-body {
  padding: 0.5rem 0.75rem;
  color: #212529;
}
bootstrap4.css
.carousel-control-prev,
.carousel-control-next {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 15%;
  color: #fff;
  text-align: center;
  opacity: 0.5;
  transition: opacity 0.15s ease;
}
bootstrap4.css
.shadow {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}
bootstrap4.css
.m-2 {
  margin: 0.5rem !important;
}
bootstrap4.css
.mt-2,
.my-2 {
  margin-top: 0.5rem !important;
}
bootstrap4.css
.mr-2,
.mx-2 {
  margin-right: 0.5rem !important;
}
bootstrap4.css
.mb-2,
.my-2 {
  margin-bottom: 0.5rem !important;
}
bootstrap4.css
.ml-2,
.mx-2 {
  margin-left: 0.5rem !important;
}
bootstrap4.css
.p-2 {
  padding: 0.5rem !important;
}
bootstrap4.css
.pt-2,
.py-2 {
  padding-top: 0.5rem !important;
}
bootstrap4.css
.pr-2,
.px-2 {
  padding-right: 0.5rem !important;
}
bootstrap4.css
.pb-2,
.py-2 {
  padding-bottom: 0.5rem !important;
}
bootstrap4.css
.pl-2,
.px-2 {
  padding-left: 0.5rem !important;
}
bootstrap4.css
.m-n2 {
  margin: -0.5rem !important;
}
bootstrap4.css
.mt-n2,
.my-n2 {
  margin-top: -0.5rem !important;
}
bootstrap4.css
.mr-n2,
.mx-n2 {
  margin-right: -0.5rem !important;
}
bootstrap4.css
.mb-n2,
.my-n2 {
  margin-bottom: -0.5rem !important;
}
bootstrap4.css
.ml-n2,
.mx-n2 {
  margin-left: -0.5rem !important;
}
bootstrap4.css
@media (min-width: 576px) {
  .m-sm-0 {
    margin: 0 !important;
  }
  .mt-sm-0,
  .my-sm-0 {
    margin-top: 0 !important;
  }
  .mr-sm-0,
  .mx-sm-0 {
    margin-right: 0 !important;
  }
  .mb-sm-0,
  .my-sm-0 {
    margin-bottom: 0 !important;
  }
  .ml-sm-0,
  .mx-sm-0 {
    margin-left: 0 !important;
  }
  .m-sm-1 {
    margin: 0.25rem !important;
  }
  .mt-sm-1,
  .my-sm-1 {
    margin-top: 0.25rem !important;
  }
  .mr-sm-1,
  .mx-sm-1 {
    margin-right: 0.25rem !important;
  }
  .mb-sm-1,
  .my-sm-1 {
    margin-bottom: 0.25rem !important;
  }
  .ml-sm-1,
  .mx-sm-1 {
    margin-left: 0.25rem !important;
  }
  .m-sm-2 {
    margin: 0.5rem !important;
  }
  .mt-sm-2,
  .my-sm-2 {
    margin-top: 0.5rem !important;
  }
  .mr-sm-2,
  .mx-sm-2 {
    margin-right: 0.5rem !important;
 
bootstrap4.css
@media (min-width: 768px) {
  .m-md-0 {
    margin: 0 !important;
  }
  .mt-md-0,
  .my-md-0 {
    margin-top: 0 !important;
  }
  .mr-md-0,
  .mx-md-0 {
    margin-right: 0 !important;
  }
  .mb-md-0,
  .my-md-0 {
    margin-bottom: 0 !important;
  }
  .ml-md-0,
  .mx-md-0 {
    margin-left: 0 !important;
  }
  .m-md-1 {
    margin: 0.25rem !important;
  }
  .mt-md-1,
  .my-md-1 {
    margin-top: 0.25rem !important;
  }
  .mr-md-1,
  .mx-md-1 {
    margin-right: 0.25rem !important;
  }
  .mb-md-1,
  .my-md-1 {
    margin-bottom: 0.25rem !important;
  }
  .ml-md-1,
  .mx-md-1 {
    margin-left: 0.25rem !important;
  }
  .m-md-2 {
    margin: 0.5rem !important;
  }
  .mt-md-2,
  .my-md-2 {
    margin-top: 0.5rem !important;
  }
  .mr-md-2,
  .mx-md-2 {
    margin-right: 0.5rem !important;
 
bootstrap4.css
@media (min-width: 992px) {
  .m-lg-0 {
    margin: 0 !important;
  }
  .mt-lg-0,
  .my-lg-0 {
    margin-top: 0 !important;
  }
  .mr-lg-0,
  .mx-lg-0 {
    margin-right: 0 !important;
  }
  .mb-lg-0,
  .my-lg-0 {
    margin-bottom: 0 !important;
  }
  .ml-lg-0,
  .mx-lg-0 {
    margin-left: 0 !important;
  }
  .m-lg-1 {
    margin: 0.25rem !important;
  }
  .mt-lg-1,
  .my-lg-1 {
    margin-top: 0.25rem !important;
  }
  .mr-lg-1,
  .mx-lg-1 {
    margin-right: 0.25rem !important;
  }
  .mb-lg-1,
  .my-lg-1 {
    margin-bottom: 0.25rem !important;
  }
  .ml-lg-1,
  .mx-lg-1 {
    margin-left: 0.25rem !important;
  }
  .m-lg-2 {
    margin: 0.5rem !important;
  }
  .mt-lg-2,
  .my-lg-2 {
    margin-top: 0.5rem !important;
  }
  .mr-lg-2,
  .mx-lg-2 {
    margin-right: 0.5rem !important;
 
bootstrap4.css
@media (min-width: 1200px) {
  .m-xl-0 {
    margin: 0 !important;
  }
  .mt-xl-0,
  .my-xl-0 {
    margin-top: 0 !important;
  }
  .mr-xl-0,
  .mx-xl-0 {
    margin-right: 0 !important;
  }
  .mb-xl-0,
  .my-xl-0 {
    margin-bottom: 0 !important;
  }
  .ml-xl-0,
  .mx-xl-0 {
    margin-left: 0 !important;
  }
  .m-xl-1 {
    margin: 0.25rem !important;
  }
  .mt-xl-1,
  .my-xl-1 {
    margin-top: 0.25rem !important;
  }
  .mr-xl-1,
  .mx-xl-1 {
    margin-right: 0.25rem !important;
  }
  .mb-xl-1,
  .my-xl-1 {
    margin-bottom: 0.25rem !important;
  }
  .ml-xl-1,
  .mx-xl-1 {
    margin-left: 0.25rem !important;
  }
  .m-xl-2 {
    margin: 0.5rem !important;
  }
  .mt-xl-2,
  .my-xl-2 {
    margin-top: 0.5rem !important;
  }
  .mr-xl-2,
  .mx-xl-2 {
    margin-right: 0.5rem !important;
bootstrap4.css
.text-black-50 {
  color: rgba(0, 0, 0, 0.5) !important;
}
bootstrap4.css
.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}
■フォーム:form-group:コンポーネント:カスタムレンジ入力

  <form>
    <div class="form-group mb-5">
      <label for="formControlRange">レンジ入力の例</label>
      <input type="range" class="form-control-range" id="defaultRange"> </div>
    <div class="form-group mb-5">
      <label for="customRange1">カスタムレンジ入力の例</label>
      <input type="range" class="custom-range" id="customRange1"> </div>
    <div class="form-group mb-5">
      <label for="customRange2">カスタムレンジ入力の例(min="0",max="5")</label>
      <input type="range" class="custom-range" min="0" max="5" id="customRange2"> </div>
    <div class="form-group mb-5">
      <label for="customRange3">カスタムレンジ入力の例(step="0.5")</label>
      <input type="range" class="custom-range" min="0" max="5" step="0.5" id="customRange3"> </div>
  </form>
■モーダル:modal:垂直方向中央に配置するモーダル

  <div class="container">
    <button type="button" class="btn btn-secondary" data-toggle="modal" data-target="#exampleModal">モーダルボタン</button>
    <div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
      <div class="modal-dialog modal-dialog-centered" role="document">
        
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title" id="exampleModalLabel">モーダルのタイトル</h5>
            <!-- モーダルの×ボタン -->
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
             <span aria-hidden="true">×</span>
            </button>
          </div>
          <div class="modal-body">
            モーダルの本文が入ります。
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary" data-dismiss="modal">閉じる</button>
          </div>
        </div>
      </div>
    </div>
  </div>
  
<style>
.row>.col, .row>[class^=col-] {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background-color: rgba(0, 0, 0, .1);
  border: 1px solid #aaa;
}
</style>