Expand="block" not working on button in ionic 4

I’m using Ionic 4.

I have set button like

<ion-item lines="none">
    <ion-button type="submit" color="primary" expand="block">
        Login
    </ion-button>
</ion-item>

<ion-item lines="none">
    <ion-button type="button" color="danger" expand="block" (click)="loginGoogle()">
        Login using Google
    </ion-button>
</ion-item>

But buttons are not full width

59%20AM

it must be removed from ion-item
Just

<ion-button type="button" color="danger" expand="block" (click)="loginGoogle()">
        Login using Google
    </ion-button>