how can I do to sort my grid, so … put lines between them to differentiate an item from another item, I will show the example in HTML how I would like it to stay in ionic

ion-grid>
<ion-row no-padding *ngFor="let dado of data" (click)="openInvoice(dado.id)">
<ion-col col col-1 style="font-size:8px;color: #000000;background-color: ">
{{dado.id}}
</ion-col>
<ion-col col col-2 style="font-size:8px;color: #000000">
{{dado.created_at}}
</ion-col>
<ion-col col col-2 style="font-size:8px;color: #000000">
{{dado.name}}
</ion-col>
<ion-col col col-2 style="font-size:8px;color: #000000">
{{dado.total}}
</ion-col>
<ion-col col col-2 style="font-size:8px;color: #000000">
{{dado.payment_method}}
</ion-col>
</ion-row>
</ion-grid>