netbox-community-netbox/netbox/project-static/styles/transitional/_tables.scss

// Object list tables
table.object-list {

  // Hide border of last row
  tbody > tr:last-child > td {
    border-bottom-width: 0;
  }

  // Append up/down arrow to header of column used for sorting
  th.asc > a::after {
    content: '\f0140';
    font-family: 'Material Design Icons';
  }
  th.desc > a::after {
    content: '\f0143';
    font-family: 'Material Design Icons';
  }

}

// Object attribute tables
table.attr-table {

  // Restyle row header
  th {
    color: $gray-700;
    font-weight: normal;
    width: min-content;
  }

  // Restyle row border
  th, td {
    border-bottom-style: dashed;
  }

  // Hide border of last row in table
  tr:last-child {
    border-bottom-style: hidden;
  }

}

// Remove bottom margin from <pre> elements inside table cells
td pre {
  margin-bottom: 0;
}