File: core/assets/build/less/print.less

/*
 * Misc: print
 * -----------
 */
@media print {
  //Add to elements that you do not want to show when printing
  .no-print {
    display: none !important;
  }

  //Elements that we want to hide when printing
  .main-sidebar,
  .left-side,
  .main-header,
  .content-header {
    &:extend(.no-print);
  }

  //This is the only element that should appear, so let's remove the margins
  .content-wrapper,
  .right-side,
  .main-footer {
    margin-left: 0 !important;
    min-height: 0 !important;
    .translate(0, 0) !important;
  }

  .fixed .content-wrapper,
  .fixed .right-side {
    padding-top: 0 !important;
  }

  //Invoice printing
  .invoice {
    width: 100%;
    border: 0;
    margin: 0;
    padding: 0;
  }

  .invoice-col {
    float: left;
    width: 33.3333333%;
  }

  //Make sure table content displays properly
  .table-responsive {
    overflow: auto;
    > .table tr th,
    > .table tr td {
      white-space: normal !important;
    }
  }
}