.table-checkout-shipping-method .price,
.box-shipping-method .price {
    font-weight: normal !important;
}

/* Ensure shipping method text is normal weight */
.table-checkout-shipping-method tbody td {
    font-weight: normal;
}

/* Keep the shipping method title at normal weight */
#co-shipping-method-form .item-title {
    font-weight: normal;
}