<div class="refresh-button">
<button mat-icon-button color="primary" aria-label="Button with a refresh icon" (click)="refreshTables()">
<mat-icon>refresh</mat-icon>
<div class="refresh-button">
<button mat-icon-button color="primary" aria-label="Button with a refresh icon" (click)="refreshTables()">
<mat-icon>refresh</mat-icon>