sorry bro i can’t your ionic version this solution is belong to ionic 3 i’ll find best solution for you
ionic 4 custom throw style styling problem Thanks
<div style="height: 100%; display: flex; align-items: center; justify-content: center;">
<ion-card style="">
<ion-card-header>
<ion-card-title>Card Title</ion-card-title>
</ion-card-header>
<ion-card-content>
Keep close to Nature's heart... and break clear away, once in awhile,
and climb a mountain or spend a week in the woods. Wash your spirit clean.
</ion-card-content>
</ion-card>
</div>