.input-group > .input-group-prepend > .input-group-text {
  min-width: 2.5rem;
  text-align: center;
  justify-content: center;
}

.table thead th {
  border-top: 0;
}

.main .container-fluid {
  padding-left: 3vw;
  padding-right: 3vw;
}

/**
 * Responsive stacked tables.
 */
@media screen and (max-width: 768px) {
  .table-responsive-stack tr {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    border: 1px solid #ccc;
    padding: 1rem;
    border-radius: 3px;
  }

  .table-responsive-stack.table-borderless tr {
    border: 0;
    padding: 0;
    border-radius: 0;
  }

  .table-responsive-stack.table-striped.table-borderless tr {
    padding: 1rem;
  }

  .table-responsive-stack td,
  .table-responsive-stack th {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    align-items: center;
  }

  .table-responsive-stack td:first-child,
  .table-responsive-stack th:first-child {
    border-top: 0;
  }

  .table-responsive-stack-thead {
    width: 33vw;
    max-width: 12rem;
  }

  .table-responsive-stack tfoot tr:first-child,
  .table-responsive-stack tbody tr + tr {
    margin-top: 1rem;
  }

  .table-responsive-stack.table-borderless tfoot tr:first-child,
  .table-responsive-stack.table-borderless tbody tr + tr {
    border: 0;
    border-top: 1px solid #ccc;
    padding-top: 1rem;
    border-radius: 0;
  }

  .table-responsive-stack.table-borderless tfoot tr:first-child {
    border-top: 2px solid #ccc;
  }

  .table-responsive-stack.table-striped.table-borderless tfoot tr:first-child,
  .table-responsive-stack.table-striped.table-borderless tbody tr + tr {
    border: 0;
    border-radius: 0;
  }

  /* IE9 FIX */
  .table-responsive-stack td {
    float: left\9;
    width: 100%;
  }
}