woocommerce-paypal-payments/modules/ppcp-settings/resources/css/components/screens/settings/_tab-styling.scss

.ppcp-r-styling {
	--block-item-gap: 0;
	--block-separator-gap: 24px;
	--block-header-gap: 18px;
	--panel-width: 422px;
	--sticky-offset-top: 92px; // 32px admin-bar + 60px TopNavigation height
	--preview-height-reduction: 236px; // 32px admin-bar + 60px TopNavigation height + 48px TopNavigation margin + 48px TabList height + 48px TabList margin

	display: flex;
	border: 1px solid var(--color-separators);
	border-radius: 8px;

	.ppcp-r-settings-block {
		&.header-section {
			margin-bottom: 6px
		}

		&.location-selector {
			position: sticky;
			top: var(--sticky-offset-top);
			background: var(--ppcp-color-app-bg);
			border-bottom: 1px solid var(--color-gray-200);
			box-shadow: 0 5px 10px 5px var(--ppcp-color-app-bg);
			z-index: 5;
			padding-top: 16px;
			padding-bottom: var(--block-separator-gap);
			margin-bottom: -29px;
		}

		// Select-fields have a smaller gap between the header and input field.
		&.has-select {
			--block-header-gap: 8px;
		}

		// Above the payment methods is a slightly larger gap.
		&.payment-methods {
			--block-separator-gap: 28px;
		}
	}

	/* The settings-panel (left side) */
	.settings-panel {
		width: var(--panel-width);
		padding: 48px;

		.ppcp-r-styling__section {
			padding-bottom: 24px;
			margin-bottom: 28px;
			border-bottom: 1px solid var(--color-separators);

			&.no-gap,
			&:last-child {
				padding-bottom: 0;
				margin-bottom: 0;
				border-bottom-style: none;
			}
		}

		// Horizontal radio buttons have a width of 100px.
		.components-radio-control__option {
			min-width: 100px;
		}
	}

	/* The preview area (right side) */
	.preview-panel {
		width: calc(100% - var(--panel-width));
		background-color: var(--color-preview-background);
		z-index: 0;

		.preview-panel-inner {
			position: sticky;
			display: flex;
			flex-direction: column;
			justify-content: center;
			width: 100%;
			padding: 24px;
			height: calc(100vh - var(--preview-height-reduction));
			top: var(--sticky-offset-top);
		}
	}
}