<div class="form-outline always-active-label my-3">

  <input type="text" id="form12" class="form-control" />

  <label class="form-label" for="form12">Example label</label>

</div>

.form-outline.always-active-label .form-label {

transform: translateY(-1rem) translateY(0.1rem) scale(.8);

}

​

.form-outline.always-active-label .form-notch-middle {

    border-right: none;

    border-left: none;

    border-top: 1px solid transparent !important;

}

​