custom-control-label

bootstrap5.css

.was-validated .custom-control-input:valid ~ .custom-control-label,
.custom-control-input.is-valid ~ .custom-control-label {
  color: #28a745;
}

bootstrap5.css

.was-validated .custom-control-input:valid ~ .custom-control-label::before,
.custom-control-input.is-valid ~ .custom-control-label::before {
  border-color: #28a745;
}

bootstrap5.css

.was-validated .custom-control-input:valid:checked ~ .custom-control-label::before,
.custom-control-input.is-valid:checked ~ .custom-control-label::before {
  border-color: #34ce57;
  background-color: #34ce57;
}

bootstrap5.css

.was-validated .custom-control-input:valid:focus ~ .custom-control-label::before,
.custom-control-input.is-valid:focus ~ .custom-control-label::before {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

bootstrap5.css

.was-validated .custom-control-input:valid:focus:not(:checked) ~ .custom-control-label::before,
.custom-control-input.is-valid:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #28a745;
}

bootstrap5.css

.was-validated .custom-control-input:invalid ~ .custom-control-label,
.custom-control-input.is-invalid ~ .custom-control-label {
  color: #dc3545;
}

bootstrap5.css

.was-validated .custom-control-input:invalid ~ .custom-control-label::before,
.custom-control-input.is-invalid ~ .custom-control-label::before {
  border-color: #dc3545;
}

bootstrap5.css

.was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before,
.custom-control-input.is-invalid:checked ~ .custom-control-label::before {
  border-color: #e4606d;
  background-color: #e4606d;
}

bootstrap5.css

.was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before,
.custom-control-input.is-invalid:focus ~ .custom-control-label::before {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

bootstrap5.css

.was-validated .custom-control-input:invalid:focus:not(:checked) ~ .custom-control-label::before,
.custom-control-input.is-invalid:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #dc3545;
}

bootstrap5.css

@media (min-width: 576px) {
  .form-inline label {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin-bottom: 0;
  }
  .form-inline .form-group {
    display: -ms-flexbox;
    display: flex;
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
    -ms-flex-flow: row wrap;
    flex-flow: row wrap;
    -ms-flex-align: center;
    align-items: center;
    margin-bottom: 0;
  }
  .form-inline .form-control {
    display: inline-block;
    width: auto;
    vertical-align: middle;
  }
  .form-inline .form-control-plaintext {
    display: inline-block;
  }
  .form-inline .input-group,
  .form-inline .custom-select {
    width: auto;
  }
  .form-inline .form-check {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: auto;
    padding-left: 0;
  }
  .form-inline .form-check-input {
    position: relative;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    margin-top: 0;
    margin-right: 0.25rem;
    margin-left: 0;
  }
  .form-inline .custom-control {
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  .form-inline .custom-control-label {
    margin-bottom: 0;
  }
}

bootstrap5.css

.custom-control-input:checked ~ .custom-control-label::before {
  color: #fff;
  border-color: #007bff;
  background-color: #007bff;
}

bootstrap5.css

.custom-control-input:focus ~ .custom-control-label::before {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

bootstrap5.css

.custom-control-input:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #80bdff;
}

bootstrap5.css

.custom-control-input:not(:disabled):active ~ .custom-control-label::before {
  color: #fff;
  background-color: #b3d7ff;
  border-color: #b3d7ff;
}

bootstrap5.css

.custom-control-input:disabled ~ .custom-control-label {
  color: #6c757d;
}

bootstrap5.css

.custom-control-input:disabled ~ .custom-control-label::before {
  background-color: #e9ecef;
}

bootstrap5.css

.custom-control-label {
  position: relative;
  margin-bottom: 0;
  vertical-align: top;
}

bootstrap5.css

.custom-control-label::before {
  position: absolute;
  top: 0.25rem;
  left: -1.5rem;
  display: block;
  width: 1rem;
  height: 1rem;
  pointer-events: none;
  content: "";
  background-color: #fff;
  border: #adb5bd solid 1px;
}

bootstrap5.css

.custom-control-label::after {
  position: absolute;
  top: 0.25rem;
  left: -1.5rem;
  display: block;
  width: 1rem;
  height: 1rem;
  content: "";
  background: no-repeat 50% / 50% 50%;
}

bootstrap5.css

.custom-checkbox .custom-control-label::before {
  border-radius: 0.25rem;
}

bootstrap5.css

.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::before {
  border-color: #007bff;
  background-color: #007bff;
}

bootstrap5.css

.custom-checkbox .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}

bootstrap5.css

.custom-checkbox .custom-control-input:disabled:indeterminate ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}

bootstrap5.css

.custom-radio .custom-control-label::before {
  border-radius: 50%;
}

bootstrap5.css

.custom-radio .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}

bootstrap5.css

.custom-switch .custom-control-label::before {
  left: -2.25rem;
  width: 1.75rem;
  pointer-events: all;
  border-radius: 0.5rem;
}

bootstrap5.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;
}

bootstrap5.css

@media (prefers-reduced-motion: reduce) {
  .custom-switch .custom-control-label::after {
    transition: none;
  }
}

bootstrap5.css

.custom-switch .custom-control-input:checked ~ .custom-control-label::after {
  background-color: #fff;
  -webkit-transform: translateX(0.75rem);
  transform: translateX(0.75rem);
}

bootstrap5.css

.custom-switch .custom-control-input:disabled:checked ~ .custom-control-label::before {
  background-color: rgba(0, 123, 255, 0.5);
}

bootstrap5.css

.custom-control-label::before,
.custom-file-label,
.custom-select {
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

bootstrap5.css

@media (prefers-reduced-motion: reduce) {
  .custom-control-label::before,
  .custom-file-label,
  .custom-select {
    transition: none;
  }
}

html bootstrap5 Sample

カスタムのチェックボックスに不確定を指定する：indeterminate

  <form>
    <!-- カスタムフォームのチェックボックス -->
    <div class="custom-control custom-checkbox mb-3">
      <input type="checkbox" class="custom-control-input" id="checkbox08" checked>
      <label class="custom-control-label" for="checkbox08">選択済み</label>
    </div>
    <div class="custom-control custom-checkbox mb-3">
      <input type="checkbox" class="custom-control-input" id="checkbox09" unchecked>
      <label class="custom-control-label" for="checkbox09">未選択</label>
    </div>
    <div class="custom-control custom-checkbox mb-3">
      <input type="checkbox" class="custom-control-input indeterminate-box" id="checkbox10">
      <label class="custom-control-label" for="checkbox10">不確定</label>
    </div>
  </form>

カスタムのチェックボックスとラジオボタンを無効にする

  <form>
    <!-- チェックボックスを無効にする -->
    <div class="custom-control custom-checkbox">
      <input type="checkbox" class="custom-control-input" id="checkbox11" disabled>
      <label class="custom-control-label" for="checkbox11">
        チェック（無効）
      </label>
    </div>
    <!-- ラジオボタンを無効にする -->
    <div class="custom-control custom-radio">
      <input type="radio" name="radioDisabled" id="checkbox12" class="custom-control-input" disabled>
      <label class="custom-control-label" for="checkbox12">
        オプション（無効）
      </label>
    </div>
  </form>

カスタムのチェックボックスとラジオボタンを作成する：custom-checkboxとcustom-radio

  <form>
    <!-- カスタムフォームのチェックボックス -->
    <div class="custom-control custom-checkbox mb-3">
      <input type="checkbox" class="custom-control-input" id="checkbox13">
      <label class="custom-control-label" for="checkbox13">チェックする</label>
    </div>
    <!-- カスタムフォームのラジオボタン -->
    <div class="custom-control custom-radio">
      <input type="radio" id="option1" name="option" class="custom-control-input">
      <label class="custom-control-label" for="option1">オプション1</label>
    </div>
    <div class="custom-control custom-radio">
      <input type="radio" id="option2" name="option" class="custom-control-input">
      <label class="custom-control-label" for="option2">オプション2</label>
    </div>
  </form>