netbox-community-netbox/netbox/project-static/styles/utilities.scss

// Custom Utility classes.

// Utility class for extra-small text.
.text-xs {
  font-size: $font-size-xs !important;
  line-height: $line-height-sm !important;
}

// Add a border color that mimics the appearance of a form element.
.border-input {
  border: $input-border-width solid $input-border-color !important;
}

// Force no line wrapping.
.ws-nowrap {
  white-space: nowrap !important;
}

// Vertically align table rows/cells.
table tr,
table td {
  .vertical-align {
    vertical-align: middle;
  }
}

// Hide element when printing.
.noprint {
  @media print {
    display: none !important;
    visibility: hidden !important;
  }
}

// Only show element when printing, otherwise hide.
.printonly {
  display: none !important;
  visibility: hidden !important;

  @media print {
    display: block !important;
    visibility: visible !important;
  }
}