ionic 3 alert font-sizing

i'm using the ion-select => ion-option as an input for my ionic 3 project. It gives an alert on selection, however the font-size of the alert body is really small and i have tried all sass options to increase its font-size all in vain. I have tried using .alert-md,.alert-tappable. Is there any way i can increase this font.

.scss

.ios, .md {
  page-add-stock {
    /*.alert-md .alert-checkbox-label{

    }*/
    .alert-radio-label {
      font-size: 3rem;
    }
  }
}

.html

  <ion-select  [(ngModel)]="category" formControlName="category" >
    <ion-option>Pesticides</ion-option>
    <ion-option>Seeds</ion-option>
    <ion-option>Herbicides</ion-option>
    <ion-option>Fertilizers</ion-option>
    <ion-option>Farming tools</ion-option>
  </ion-select>

Html ion-select that generates the alert, just in case.