.well,
.thumbnail {
  @extend .card;
  @extend .card-body;
}

.list-inline > li {
  @extend .list-inline-item;
}

.navbar-btn,
.nav .navbar > li {
  @extend .nav-item;
}

.nav .navbar > li > a {
  @extend .nav-link;
}

.navbar-right {
  @extend .ms-auto;
}

.navbar-fixed-top {
  @extend .fixed-top;
}

.nav-stacked {
  @extend .flex-column;
}

.btn-default {
  @extend .btn-light;
}

.img-responsive {
  @extend .img-fluid;
}

.img-circle {
  @extend .rounded-circle;
}

.img-rounded {
  @extend .rounded;
}

.radio {
  @extend .form-check;
}

.checkbox {
  @extend .form-check;
}

.input-lg {
  @extend .form-control-lg;
}

.input-sm {
  @extend .form-control-sm;
}

.has-error {
  .form-control {
    @extend .is-invalid;
  }
}

.control-label {
  @extend .col-form-label;
}

.table-condensed {
  @extend .table-sm;
}

.pagination > li {
  @extend .page-item;
}

.pagination > li > a {
  @extend .page-link;
}

.pull-right, .float-right {
  @extend .float-end;
}

.pull-left, .float-left {
  @extend .float-start;
}

.center-block {
  @extend .mx-auto;
  @extend .d-block;
}

.hidden-xs {
  @extend .d-none;
}

.hidden-sm {
  @extend .d-sm-none;
}

.hidden-md {
  @extend .d-md-none;
}

.hidden-lg {
  @extend .d-lg-none;
}

.visible-xs {
  @extend .d-block;
  @extend .d-sm-none;
}

.visible-sm {
  @extend .d-none;
  @extend .d-sm-block;
  @extend .d-md-none;
}

.visible-md {
  @extend .d-none;
  @extend .d-md-block;
  @extend .d-lg-none;
}

.visible-lg {
  @extend .d-none;
  @extend .d-lg-block;
  @extend .d-xl-none;
}

.label {
  @extend .badge;
  padding: $label-padding-y $label-padding-x;
}

@each $color, $value in $theme-colors {
  .label-#{$color} {
    @extend .bg-#{$color};
  }
}

.badge-pill {
  @extend .rounded-pill;
}

.form-group {
  margin-bottom: $spacer;
}

.form-row {
  @extend .row;
}

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

.border-right {
  @extend .border-end;
}

.border-left {
  @extend .border-start;
}

.text-right {
  @extend .text-end;
}

.text-left {
  @extend .text-start;
}

.font-weight-normal {
  @extend .fw-normal;
}

.font-weight-bold {
  @extend .fw-bold;
}

.input-group-addon, .input-group-append, .input-group-prepend {
  @extend .input-group-text;
}

.no-gutters {
  @extend .g-0;
}