#snackbar {
    visibility: hidden;
    min-width: 300px;
    max-width: 400px;
    background-color: darkcyan;
    color: white;
    text-align: right;
    border-radius: 10px;
    padding: 16px;
    position: fixed;
    z-index: 100;
    top: 60px;
    left: 50%;
    transform: translate(-50%, 0);
    font-size: 17px;
  }
  
  #snackbar.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
  }

  .validity-info{
    text-align: center;
  }

  .delete-link{
    color: firebrick;
  }

  .upload-title{
    text-align: center;
  }
  
  @-webkit-keyframes fadein {
    from {bottom: 0; opacity: 0;} 
    to {bottom: 30px; opacity: 1;}
  }
  
  @keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
  }
  
  @-webkit-keyframes fadeout {
    from {bottom: 30px; opacity: 1;} 
    to {bottom: 0; opacity: 0;}
  }
  
  @keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
  }