.form-checkboxes .form-item:nth-child(1), .form-checkboxes .form-item:nth-child(2), .form-checkboxes .form-item:nth-child(3), .form-checkboxes .form-item:nth-child(4), .form-checkboxes .form-item:nth-child(5) {
  flex-basis: 100% !important;
}