I have following html code:
<div id="modal-custom" class="payment-method-modal iziModal" data-izimodal-group="grupo1" aria-hidden="false" aria-labelledby="modal-custom" role="dialog" style="z-index: 999; border-radius: 3px; max-width: 600px; display: block; height: 601px;"><div class="iziModal-wrap" style="height: auto;"><div class="iziModal-content" style="padding: 0px;overflow-y: scroll;">
    <button data-izimodal-close="" class="icon-close"><i class="ph ph-x" style="font-size: 32px;color: black;"></i></button>
    <section id="payment_method_form" style="
    overflow-y: scroll;
">
        <div class="h4" style="padding-bottom: 5px;">選擇付款方法</div>
        <ul id="payment-method-list" style="
    overflow-y: scroll;
"><table class="table table-step-shipping" style="margin-bottom: 0rem !important;overflow-y: scroll;"><tbody style="
    overflow-y: scroll;
"><tr><td><label class="shipped-details-payment-method-label" for="AliPayHK"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="AliPayHK" name="payment_method" type="radio" value="AliPayHK"><div class="submit" data-ptype="AliPayHK" data-pname="支付寶 (香港)" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/AlipayHK.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/AlipayHK.png" class="payment-gateway-images" alt="AliPayHK"><span style="margin:auto;width:80%;">支付寶 (香港)</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="AliPayCN"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="AliPayCN" name="payment_method" type="radio" value="AliPayCN"><div class="submit" data-ptype="AliPayCN" data-pname="支付寶 (內地)" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/AlipayCN.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/AlipayCN.png" class="payment-gateway-images" alt="AliPayCN"><span style="margin:auto;width:80%;">支付寶 (內地)</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="FPS"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="FPS" name="payment_method" type="radio" value="FPS"><div class="submit" data-ptype="FPS" data-pname="轉數快 (FPS)" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/FPS.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/FPS.png" class="payment-gateway-images" alt="FPS"><span style="margin:auto;width:80%;">轉數快 (FPS)</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="WeChatPay"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="WeChatPay" name="payment_method" type="radio" value="WeChatPay"><div class="submit" data-ptype="WeChatPay" data-pname="微信支付" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/wechat.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/wechat.png" class="payment-gateway-images" alt="WeChatPay"><span style="margin:auto;width:80%;">微信支付</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="CreditCard"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="CreditCard" name="payment_method" type="radio" value="CreditCard"><div class="submit" data-ptype="CreditCard" data-pname="Visa / Master Card" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/visa_mastercard.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/visa_mastercard.png" class="payment-gateway-images" alt="CreditCard"><span style="margin:auto;width:80%;">Visa / Master</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="UnionPay"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="UnionPay" name="payment_method" type="radio" value="UnionPay"><div class="submit" data-ptype="UnionPay" data-pname="銀聯 (UnionPay)" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/UnionPay.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/UnionPay.png" class="payment-gateway-images" alt="UnionPay"><span style="margin:auto;width:80%;">銀聯 (UnionPay)</span></div></label></td></tr><tr><td><label class="shipped-details-payment-method-label" for="PayMe"><input style="margin-bottom:0px !important;width:10%;opacity:0;" id="PayMe" name="payment_method" type="radio" value="PayMe"><div class="submit" data-ptype="PayMe" data-pname="PayMe" data-psrc="https://yymart.com.hk/assets/front_end/classic/images/payment/PayMe.png" style="display: flex"><img src="https://yymart.com.hk/assets/front_end/classic/images/payment/PayMe.png" class="payment-gateway-images" alt="PayMe"><span style="margin:auto;width:80%;">PayMe</span></div></label></td></tr></tbody></table></ul>
        <!--
        <footer class="mt-4">
            <button data-iziModal-close>取消</button>
            <button class="submit" id="select_address">儲存</button>
        </footer>
        -->
    </section>
</div></div></div>

and I want to add the scroll effect to the list of payment method, since it cant be scroll now