woocommerce/plugins/woocommerce-admin/client/customize-store/design-with-ai/stories/style.scss

.woocommerce-customize-store {
	.smooth-transition {
		.woocommerce-onboarding-loader-wrapper {
			min-height: auto;
			.woocommerce-onboarding-loader-container {
				min-height: auto;
			}
		}
	}
}

.progress-bar.smooth-transition {
	.woocommerce-onboarding-progress-bar__filler {
		transition: width linear 2s;
	}
}