Woocommerce Plus Minus Buttons 2

<!-- eredeti mennyiség input mező -->
<input type="number" id="quantity_" class="qty" name="quantity" value="1" aria-label="Product quantity" size="4" min="0" max="" step="1" placeholder="" inputmode="numeric" autocomplete="off">

<!-- snippet által generált új kód -->
<div class="input-group bootstrap-touchspin bootstrap-touchspin-injected">
    <span class="input-group-btn input-group-prepend">
        <button tabindex="-1" class="btn btn-primary bootstrap-touchspin-down" type="button">−</button>
    </span>
    <input type="number" id="quantity_" class="input-text qty text form-control" name="quantity" value="1" aria-label="Product quantity" size="4" min="0" max="" step="1" placeholder="" inputmode="numeric" autocomplete="off">
    <span class="input-group-btn input-group-append">
        <button tabindex="-1" class="btn btn-primary bootstrap-touchspin-up" type="button">+</button>
    </span>
</div>