metamask-extension/ui/components/app/whats-new-popup/index.scss

.whats-new-popup {
  &__notifications {
    display: flex;
    flex-direction: column;
  }

  &__notification,
  &__first-notification {
    display: flex;
    flex-direction: column;
    margin: 0 24px 24px 24px;
    border-bottom: 1px solid var(--color-border-muted);
    position: relative;
  }

  &__last-notification {
    > * {
      &:nth-last-child(2) {
        margin-bottom: 0;
      };
    }

    .whats-new-popup__intersection-observable {
      bottom: 8px;
    }
  }

  &__notification {
    &:last-child {
      border-bottom: none;
    }
  }

  &__notification-image {
    align-self: center;
    margin-bottom: 16px;
  }

  &__description-and-date {
    margin-bottom: 16px;
  }

  &__notification-date {
    color: var(--color-text-alternative);
  }

  &__button {
    margin-right: auto;
  }

  &__button,
  &__link {
    margin-bottom: 24px;
  }

  &__link {
    @include H6;

    color: var(--color-primary-default);
    cursor: pointer;
  }

  &__notification-title {
    @include H4;

    font-weight: bold;
    margin-bottom: 8px;
  }

  &__intersection-observable {
    bottom: 22px;
    position: absolute;
    height: 1px;
    width: 100%;
  }
}

.popover-wrap.whats-new-popup__popover {
  @include screen-sm-min {
    max-height: 600px;
    width: 500px;
  }

  @include screen-sm-max {
    max-height: 568px;
  }
}