<form class="form-horizontal">
<fieldset>

<!-- Text input-->
<div class="form-group">
  <label class="col-md-4 control-label" for="textinput">Text Input</label>  
  <div class="col-md-4">
  <input id="textinput" name="textinput" type="text" placeholder="placeholder" class="form-control input-md">
  <span class="help-block">help</span>  
  </div>
</div>

<!-- Button -->
<div class="form-group">
  <label class="col-md-4 control-label" for="singlebutton">Single Button</label>
  <div class="col-md-4">
    <button id="singlebutton" name="singlebutton" class="btn btn-primary">Button</button>
  </div>
</div>

</fieldset>
</form>