How to fix page size in ionic application

Ionic Framework ionic-v3
1

hello all…please help… i want to fix my page size …because my page is scroll down automatically …i don’t know how ?
please check my code

        <ion-grid>
            <ion-row >
                    <ion-col col-2>
                            <button ion-button (click)="takePhoto()" >
                            <ion-icon name="camera"></ion-icon> &nbsp;&nbsp; </button> 
                            <!-- <img src= {{photo}} *ngIf="photo" class="thumb-img" imageViewer/> -->
                    </ion-col>
                    <ion-col col-8>
                        <!-- <ion-textarea> placeholder="Describe about image here"</ion-textarea> -->
                        <ion-input placeholder="Describe about image here"></ion-input>
                   </ion-col>
                  <ion-col col-2>
                  <button ion-button >SEND </button>
                </ion-col>
            </ion-row>
        </ion-grid>
2

i already use …but not getting solution