metamask-extension/ui/pages/onboarding-flow/pin-extension/index.scss

.onboarding-pin-extension {
  .control-dots .dot {
    background: var(--color-icon-muted);
    box-shadow: none;

    &.selected {
      background: var(--color-icon-default);
    }
  }

  &__diagram {
    margin: 24px auto;
    max-width: 799px;
    height: 320px;
  }

  &__buttons {
    max-width: 50%;
    margin: 40px auto 0 auto;
  }
}