<h4 mat-dialog-title style="border-bottom: 1px solid gainsboro;">Event Venue</h4>
<mat-dialog-content class="p-2">
    <google-map [width]="null" [height]="null" [options]="mapOptions">
        <map-marker [position]="marker.position"></map-marker>
    </google-map>
</mat-dialog-content>
<mat-dialog-actions>
    <button type="button" class="btn btn-dark" (click)="close()">Close</button>
</mat-dialog-actions>