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

.onboarding-pin-extension {
  max-width: 800px;

  .control-dots .dot {
    background: $ui-2;
    box-shadow: none;

    &.selected {
      background: $ui-4;
    }
  }

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

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