woocommerce/plugins/woocommerce-blocks/packages/components/form-step/style.scss

.wc-block-components-form {
	counter-reset: checkout-step;
}

.wc-block-components-form .wc-block-components-checkout-step {
	position: relative;
	border: none;
	padding: 0 0 0 $gap-larger;
	background: none;
	margin: 0;

	.is-mobile &,
	.is-small & {
		padding-left: 0;
	}
}

.wc-block-components-checkout-step--disabled {
	opacity: 0.6;
}

.wc-block-components-checkout-step__container {
	position: relative;

	textarea {
		font-style: inherit;
		font-weight: inherit;
	}
}

.wc-block-components-checkout-step__content > * {
	margin-bottom: $gap;
}
.wc-block-components-checkout-step--with-step-number .wc-block-components-checkout-step__content > :last-child {
	margin-bottom: 0;
	padding-bottom: $gap;
}

.wc-block-components-checkout-step__heading {
	margin: em($gap-small) 0 em($gap);
	position: relative;

	.wc-block-components-express-payment-continue-rule + .wc-block-components-checkout-step & {
		margin-top: 0;
	}
}

.wc-block-components-checkout-step:first-child .wc-block-components-checkout-step__heading {
	margin-top: 0;
}

.wc-block-components-checkout-step__title {
	margin: 0 $gap-small 0 0;
}

.wc-block-components-checkout-step__heading-content {
	@include font-size(smaller);

	a {
		font-weight: bold;
		color: inherit;
	}
}

.wc-block-components-checkout-step__description {
	@include font-size(small);
	line-height: 1.25;
	margin-bottom: $gap;
}

.wc-block-components-checkout-step--with-step-number {
	.wc-block-components-checkout-step__title::before {
		@include reset-box();
		background: transparent;
		counter-increment: checkout-step;
		content: "\00a0" counter(checkout-step) ".";
		content: "\00a0" counter(checkout-step) "." / "";
		position: absolute;
		left: -$gap-large;
		top: 0;
		text-align: center;
		transform: translateX(-50%);
		white-space: nowrap;

		.is-mobile &,
		.is-small & {
			position: static;
			transform: none;
			left: auto;
			top: auto;
			content: counter(checkout-step) ".\00a0";
			content: counter(checkout-step) ".\00a0" / "";
		}
	}

	.wc-block-components-checkout-step__container::after {
		content: "";
		height: 100%;
		border-left: 1px solid $universal-border;
		position: absolute;
		left: -$gap-large;
		top: 0;
	}

	.is-mobile &,
	.is-small & {
		.wc-block-components-checkout-step__title::before {
			position: static;
			transform: none;
			left: auto;
			top: auto;
			content: counter(checkout-step) ".\00a0";
			content: counter(checkout-step) ".\00a0" / "";
		}
		.wc-block-components-checkout-step__container::after {
			content: unset;
		}
	}
}

.editor-styles-wrapper {
	.wp-block h4.wc-block-components-checkout-step__title {
		@include font-size(regular);
		line-height: 24px;
		margin: 0 $gap-small 0 0;
	}
}