Ionic grid - col height

#1

Hello.
I want to make my ion-col height same as width (to make “cell” square). As we can see I use “col-4”. So how can I get “col-4” value? Below is my actual code:

  <ion-grid style="width:100%;height:100%">
    <ion-scroll style="height:100%;width:100%" scrollY="true">
      <ion-row style="width:100%;height:100%">
        <ion-col col-4 *ngFor="let resource of variables.firebaseResources | resourcesCategoryFilter:catName | async" style="height: 100px;padding:1%">
          //Components etc
        </ion-col>
      </ion-row>
    </ion-scroll>
  </ion-grid>