wp-calypso/client/my-sites/stats/features/modules/stats-utm/stats-module-utm-overlay.scss

.stats-module-utm-overlay {
	.stats-card--column-header {
		filter: blur(10px);
	}

	.stats-card__content {
		// Prevent blur elements from being interactable.
		pointer-events: none;
		user-select: none;
	}
}