<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<form class="form-horizontal">
<fieldset>
<!-- Form Name -->
<legend>Form Name</legend>
<!-- Select Basic -->
<div class="control-group">
<label class="control-label" for="X_003B_forma_studia">Forma štúdia</label>
<div class="controls">
<select id="X_003B_forma_studia" name="X_003B_forma_studia" class="input-xlarge">
<option>žiak strednej školy</option>
<option>poslucháč jazykovej školy</option>
<option>študent vysokej školy</option>
<option>zúčastňuje sa jazykovej prípravy na vysokú školu</option>
</select>
</div>
</div>
</fieldset>
</form>
</div>
</div>