opt-cc/static/src/app/style/select-list.css

.select-list {
  padding: 20px 2% 0 5%;
}

.list-header {
  width: 100%;
  padding-bottom: 20px;
}

.add-btn {
  margin-right: 16px;
  margin-top: -3px;
  float: right;
}

:host/deep/.mat-icon {
  height: 32px;
  width: 32px;
}