<form class="form-horizontal" action="temp.php" method="post" name="frmControl">
  <fieldset>
    <div class="form-group">
      <label for="tag" class="col-lg-2 control-label">TAG</label>
      <div class="col-lg-3">
        <input type="text" class="form-control" id="tag" name="tag">
      </div>
    </div>
  </fieldset>
</form>