<div>
  <p *ngIf="message">
    {{ message | translate }}
  </p>
  <div class="progress progress-striped active" *ngIf="progress !== null">
    <div
      class="progress-bar"
      role="progressbar"
      [attr.aria-valuenow]="progress"
      aria-valuemin="0"
      aria-valuemax="100"
      [style.width]="progress + '%'"
    ></div>
  </div>
  <div class="spinner" *ngIf="progress === null" style="position: relative;">
    <div class="rect1"></div>
    <div class="rect2"></div>
    <div class="rect3"></div>
    <div class="rect4"></div>
    <div class="rect5"></div>
  </div>
</div>