<loading-image [url]="urlImage">
  <div class="thumb-overlay">
    <div class="sk-folding-cube">
        <div class="sk-cube1 sk-cube"></div>
        <div class="sk-cube2 sk-cube"></div>
        <div class="sk-cube4 sk-cube"></div>
        <div class="sk-cube3 sk-cube"></div>
    </div>
  </div>
</loading-image>

<loading-image [url]="urlImage2">
  <img src="../assets/loading.gif" alt="">
</loading-image>