<form id="exm" method="POST" action="#">
    <div>
        <label>Full Name :</label>
        <input type="text" name="name" data-validetta="required" >
    </div>
    <button type="submit">Submit</button>
    <button type="reset">Reset</button>
</form>

(function($){
    $('#exm').validetta({
        bubblePosition: 'bottom',
        bubbleGapTop: 10,
        bubbleGapLeft: -5
    });
});