woocommerce/plugins/woocommerce-blocks/packages/checkout/components/store-notices-container/style.scss

.wc-block-components-notices {
	display: block;
	margin: 1.5em 0;
	&:first-child {
		margin-top: 0;
	}
	&:empty {
		margin: 0;
	}
	.wc-block-components-notices__notice {
		margin: 0;
		display: flex;
		flex-wrap: nowrap;
		a {
			text-decoration: underline;
		}
		.components-notice__dismiss {
			background: transparent none;
			padding: 0;
			margin: 0 0 0 auto;
			border: 0;
			outline: 0;
			color: currentColor;
			svg {
				fill: currentColor;
				vertical-align: text-top;
			}
		}
		.components-notice__content > div:not(.components-notice__actions) {
			*:first-child {
				margin-top: 0;
			}
			*:last-child {
				margin-bottom: 0;
			}
		}
		.components-notice__content {
			ul {
				margin: 0;
				padding: 0;
				list-style: none;
			}
			li + li {
				margin: 0.25em 0 0 0;
			}
		}
	}
	.wc-block-components-notices__notice + .wc-block-components-notices__notice {
		margin-top: 1em;
	}
}

// @todo Either move notice style fixes to Woo core, or take full control over notice component styling in blocks.
.theme-twentytwentyone,
.theme-twentytwenty {
	.wc-block-components-notices__notice {
		padding: 1.5rem 3rem;
	}
}

.wc-block-components-notices__snackbar {
	position: fixed;
	bottom: 20px;
	left: 16px;
	width: auto;

	@include breakpoint("<782px") {
		position: fixed;
		top: 10px;
		left: 0;
		bottom: auto;
	}

	.components-snackbar-list__notice-container {
		@include breakpoint("<782px") {
			margin-left: 10px;
			margin-right: 10px;
		}
	}
}