metamask-extension/ui/components/app/edit-gas-fee-popover/network-statistics/index.scss

.network-statistics {
  margin: 24px 0 12px;

  &__info {
    border-top: 1px solid var(--ui-2);
    border-bottom: 1px solid var(--ui-2);
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-around;

    &__separator {
      border-left: 1px solid var(--ui-2);
      height: 65%;
    }

    &__field {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 30%;

      &--priority-fee {
        width: 40%;
      }

      &-data {
        color: var(--ui-4);
        font-size: 12px;
        text-align: center;
      }

      &-label {
        color: var(--Black-100);
        font-size: 10px;
        font-weight: bold;
        margin-top: 4px;
      }
    }
  }

  &__tooltip-label {
    font-weight: 700;
  }
}