Ion-note not showing correctly on device

I have this list:

  <ion-list inset="false" lines="full">
    <ion-item *ngFor="let item of detail">
        <h3>{{item.QUANTITY}} x {{item.DESCRIPTION}}</h3>

and it looks perfectly on the browser:
Screen Shot 2020-06-18 at 8.18.19 PM

but when I build and install the app on my Android emulator, it looks like this:
Screen Shot 2020-06-18 at 8.17.06 PM

Any ideas about why the difference ??