woocommerce-paypal-payments/modules.local/ppcp-button/resources/css/hosted-fields.scss

#ppcp-hosted-fields {
    display: table !important;
    div {
        display: table-row;
    }
    label, span {
        display: table-cell;
        height: 30px;
        padding: 0;
        margin: 0;
        overflow: hidden;
        position: relative;
        vertical-align: bottom;
    }
    label {
        line-height: 30px;
    }
}