ionic angular make button big accoridng to screen size code example
Example: ionic grid
<ion-row>
<ion-col size="12" size-md>
ion-col [size="12"] [size-md]
</ion-col>
<ion-col size="12" size-md>
ion-col [size="12"] [size-md]
</ion-col>
<ion-col size="12" size-md>
ion-col [size="12"] [size-md]
</ion-col>
<ion-col size="12" size-md>
ion-col [size="12"] [size-md]
</ion-col>
</ion-row>