metamask-extension/ui/components/app/transaction-detail-item/index.scss

.transaction-detail-item {
  color: $ui-4;

  &__row {
    display: flex;
  }

  &__title {
    flex-grow: 1;
  }

  .info-tooltip {
    display: inline-block;
    margin-inline-start: 4px;
  }

  &__detail-text {
    margin-inline-end: 20px !important;
  }

  &__total {
    font-weight: bold;
    color: $ui-black;
  }

  &__subtitle {
    flex-grow: 1;
  }
}