metamask-extension/ui/components/app/add-network/index.scss

.add-network {
  &__header {
    border-bottom: 1px solid var(--color-border-default);

    &__back-icon {
      margin-left: 24px;
      margin-right: 16px;
    }
  }

  &__token-image {
    margin-right: 7px;
    height: 24px;
    width: 24px;
  }

  &__add-icon {
    color: var(--color-text-alternative);
    margin-left: auto;
    margin-right: 0;
    cursor: pointer;
  }

  &__footer {
    border-top: 1px solid var(--color-border-muted);

    & .btn-link {
      display: initial;
      padding: 0;
    }

    &__link {
      color: var(--color-primary-default);
    }

    & .actionable-message--warning .actionable-message__message,
    .actionable-message--warning .actionable-message__action {
      color: var(--color-text-alternative);
    }
  }
}