message: Adjusted gap for rows
diff: </span>
  - <nav fxFlex="1 1 50%" fxLayoutGap="5%" fxLayoutGap.lt-md="45%" fxLayoutGap.xs="0">
  + <nav fxFlex="1 1 50%" fxLayoutGap="3%" fxLayoutGap.lt-md="45%" fxLayoutGap.xs="0">
  <a mat-button id="login" *ngIf="!isLoggedIn()" routerLink="/login"><i class="fas fa-sign-in-alt fa-lg"></i> {{ "TITLE_LOGIN" | translate}}</a>
  <a mat-button id="logout" *ngIf="isLoggedIn()" (click)="logout()"><i class="fas fa-sign-out-alt fa-lg"></i> {{"TITLE_LOGOUT" | translate }}</a>
  