<div class="form-group {modifikator} ">
   <label for="moleculeId" id="labelId" aria-label="" aria-labelledby="" class="form-control-label ">Label <span class="required"> </span> </label>
   <input type="text" aria-labelledby="" aria-required="true" id="" name="input" tabindex="" placeholder="Patternlab Input" class="form-control " value="">
   <p class="form-text">poznámka k inputu </p>
</div>

Šířka inputu se řeší pomocí gridu