ปุ่มกลับ

<div style="display: inline-flex;">
    <input onfocusout="bill_summary(1)" type="number" min="0" minlength="1" maxlength="3" name="numberPlay[]"
        style="font-size:0.8rem;height: 25px;" inputmode="numeric" pattern="[0-9]*" placeholder="หวยไทย"
        onblur="checkNumber(this)" id="numberPlay_1"
        class="numberplay numonly form-control form-control-sm col-10 text-center py-0 rounded-left">
    <button onclick="addNumber(1, 1)" style="font-size: 0.7rem;" class="p-0 pr-1 pl-1 btn btn-info rounded-0" id="">
        <div style="transform: skew(-35deg, 25deg);">กลับ</div>
    </button>
</div>