param-input.component.html

<div class="md-form form-sm">
    <input mdbActive type="text" id="form1" class="form-control" [ngModel]="_uiValue.uncheckedValueString" (ngModelChange)="setValue($event)">
    <label for="form1">{{_title}}</label>
    <small class="text-danger">{{_message}}</small>
</div>