.add-members .toggle-detail-btn {
  position: absolute;
  top: 6px;
  right: 12px;
  border-left: 1px solid #ccc;
  padding-left: 9px;
  font-size: 18px;
  cursor: pointer;
  color: #999;
}

.add-members .toggle-detail-btn:hover {
  color: #666;
}

/* for the input before .toggle-detail-btn */
.selected-user-item-container:has(+ .toggle-detail-btn) {
  padding-right: 40px;
}