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

.edit-gas-tooltip {
  &__container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-width: 160px;

    img {
      margin-bottom: 8px;
    }

    &__message {
      width: 100%;
    }

    &__dialog {
      background-color: var(--color-secondary-default);
      border-radius: 30px;
      margin: 4px 0;
      text-align: center;
      padding: 4px;
    }

    &__label {
      white-space: nowrap;
      width: 50%;
    }

    &__value {
      width: 50%;
    }

    p {
      margin-bottom: 0 !important;
    }

    &__values {
      width: 100%;
      margin-top: 8px;

      div {
        display: flex;
        flex-direction: row;
        text-align: left;
      }
    }
  }
}