Text transform not works on ios

Ionic Framework ionic-v3
1

Hello,

the text tansform none not work on my ios device, on browser it works.
Here is my apps.scss


.md button {
  text-transform: none;
}

.ios button {
  text-transform: none;
}

.md item {
  text-transform: none;
}

.ios item {
  text-transform: none;
}

}
2

What does “on browser it works” mean? ionic serve?
Does it work in Android?
What happens instead?