.product-form__options label,
.option-value {
  border-radius: 18px !important;
  padding: 9px 18px;
}

.product-form__options input:checked + label {
  background-color: #000 !important;
  color: #fff !important;
  border: 1px solid #000 !important;
}

.product-form__options label {
  background: #fff;
  border: 1px solid #000;
  color: #000;
}