signoz/frontend/src/container/CreateAlertV2/CreateAlertV2.styles.scss

$top-nav-background-1: #0f0f0f;
$top-nav-background-2: #101010;

.create-alert-v2-container {
	background-color: var(--bg-ink-500);
}

.top-nav-container {
	background: repeating-linear-gradient(
		-45deg,
		$top-nav-background-1,
		$top-nav-background-1 10px,
		$top-nav-background-2 10px,
		$top-nav-background-2 20px
	);
	margin-bottom: 0;
}