.single-product .pba-size-option.is-active,
.single-product .pba-format-option.is-active {
    background: #f0ece3;
    color: #17130f;
}

.single-product .pba-size-option.is-disabled,
.single-product .pba-size-option:disabled {
    cursor: not-allowed;
    opacity: 0.38;
}