-<form [formGroup]="instanceForm" novalidate autocomplete="off">
- <div mat-dialog-content>
- <mat-form-field *ngIf="!this.policyInstanceId">
- <mat-label>Select RIC</mat-label>
- <mat-select id="ricSelector" formControlName="ricSelector" matInput required [(value)]="this.ric">
- <mat-option *ngFor="let ric of this.allRics" [value]="ric">
+<div [formGroup]="instanceForm" fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-sm="column"
+ fxLayoutAlign.lt-sm="flex-start center">
+
+ <mat-card class="card" [ngClass]="{'card-dark': darkMode}">
+ <mat-form-field *ngIf="!this.policyInstanceId" appearance="fill">
+ <mat-select id="ricSelector" formControlName="ricSelector" matInput required [value]="this.ric"
+ placeholder="Target"
+ matTooltip="Element where the policy instance resides, e.g. a gNodeB or Near-RT RIC">
+ <mat-option *ngFor="let ric of this.allRicIds" [value]="ric">