Untitled

<html>
	<head>
		<style>
		body{
			counter-reset: n;
		}

		div:before {
			counter-increment: n;
			content: counter(n);
		}

		div:nth-child(3n):before {
			content: "fizz";
		}

		div:nth-child(5n):before {
			content: "buzz";
		}

		div:nth-child(3n):nth-child(5n):before {
			content: "fizzbuzz";
		}
		</style>
	</head>
	<body>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
		<div></div>
	</body>
</html>