.dtLab {
    max-width: 600px;
    margin: 0 auto;
  }
  #dtLab th, td {
    white-space: nowrap;
  }

  body, html {
    height: 100%;
  }
  .bg {
    /* The image used */
    background-image: url("../img/LogoMicrolab.jpeg");
  
    /* Half height */
    height: 100%;
  
    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }

  .table-wrapper {
    max-height: 500px;
    overflow: auto;
    display:inline-block;
  }
  
  .table-wrapper table {
    border-collapse: separate;
    border-spacing: 0;
  }

  thead {
    position: sticky;
    top: -1px;
  }

  #loading_oculto{
    z-index:99;
    position:absolute;
    top:50%;
    left:50%;
    background-color: #e9ecefc2;
    margin-left:-117px;
    margin-top:-117px;
    visibility:hidden;
    }