ionic grid

HTML
  <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>
Source

Also in HTML: