admin-general-styles.css in Bootstrap Styles 1.0.x

@media only screen and (min-width: 1200px) {
  .bs-admin-d-lg-flex {
    display: flex;
  }
  .bs-admin-group-form-item-lg-ml .form-item:not(:first-child) {
    margin-left: 1.5rem;
  }
}