.restrito {
    background-image: url(../images/restrito.png);
    background-repeat: none;
    width: 225px;
    height: 20px;
    position: absolute;
    z-index: 5;
    top: 5px;
}

$item_id = $this->_item->id;

$item_access = $this->_item->access;

<?php if ($item_access == "2") : ?>
       <div class="restrito"></div>
<?php endif; ?>