message: fix(Stepper): input disabled text color in safari
diff: border-radius: 0;
  -webkit-appearance: none;
  - &[disabled] {
  + &:disabled {
  color: @stepper-input-disabled-text-color;
  background-color: @stepper-input-disabled-background-color;
  + -webkit-text-fill-color: @stepper-input-disabled-text-color; // fix disabled color in iOS
  + opacity: 1;
  }
  }
  