common-ui/src/lib/listing/scroll-button/scroll-button.component.html

<button (click)="scroll(buttonType.top)" [hidden]="(showScrollUp$ | async) === false" class="scroll-button top pointer">
    <mat-icon svgIcon="iqser:arrow-down-o"></mat-icon>
</button>

<button (click)="scroll(buttonType.bottom)" [hidden]="(showScrollDown$ | async) === false" class="scroll-button bottom pointer">
    <mat-icon svgIcon="iqser:arrow-down-o"></mat-icon>
</button>