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;
  }
}