syncthing/src/app/status-toggle/status-toggle.component.html

<mat-button-toggle-group name="fontStyle" aria-label="Font Style">
    <mat-button-toggle value="folders" (click)="onSelect(toggleAction.Folders)">Folders</mat-button-toggle>
    <mat-button-toggle value=" devices" (click)="onSelect(toggleAction.Devices)">Devices</mat-button-toggle>
</mat-button-toggle-group>