e/png" href="favicon.png"/>

  <title>web_admin</title>
  <link rel="manifest" href="manifest.json">

  <style>
    .loading {
      display: flex;
      justify-content: center;
      align-items: center;
      margin: 0;
      position: absolute;
      top: 50%;
      left: 50%;
      -ms-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
    }

    .loader {
      border: 8px solid #F4F6F9;
      border-radius: 50%;
      border-top: 8px solid #347BDE;
      width: 60px;
      heig