<div class="qty-wrap"> <div class="qty-title"><span>Количество:</span></div> <div class="qty-set"> <span id="qty_minus" class="qty-minus fa fa-minus unselectable"></span> <input type="text" name="form[goods_mod_quantity]" maxlength="5" value="1" min="1" title="Количество" class="inputText qty quantity" onkeypress="return keyPress(this, event);" onpaste="return false;"> <span id="qty_plus" class="qty-plus fa fa-plus unselectable"></span> </div> </div>
замените на:
<div class="qty-wrap"> <div class="qty-title"><span>Количество:</span></div> <div class="qty-set"> <span class="quantity-minus fa fa-minus unselectable"></span> <input type="text" name="form[goods_mod_quantity]" maxlength="5" value="1" min="1" title="Количество" class="inputText qty quantity" onkeypress="return keyPress(this, event);" onpaste="return false;"> <span class="quantity-plus fa fa-plus unselectable"></span> </div> </div>