Result

矢印型のパンくずナビゲーションです。
フォームのフロー等にも使えそうですね

css

.breadcrumb {/*全体*/
	display: inline-block;
	box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.35);
	overflow: hidden;
	border-radius: 5px;
	counter-reset: flag; 
}

.breadcrumb a {/*各リンク*/
	text-decoration: none;
	outline: none;
	display: block;
	float: left;
	font-size: 12px;
	line-height: 36px;
	color: white;
	padding: 0 10px 0 60px;
	background: #666;
	background: linear-gradient(#666, #333);
	position: relative;
}

.breadcrumb a:first-child {/*最初のリンクの角丸設定:/
	padding-left: 46px;
	border-radius: 5px 0 0 5px; 
}
.breadcrumb a:first-child:before {
	left: 14px;
}
.breadcrumb a:last-child {/*最後のリンクの角丸設定*/
	border-radius: 0 5px 5px 0; 
	padding-right: 20px;
}

.breadcrumb a.active, 
.breadcrumb a:hover{/*ホバー時のスタイル*/
	background: #333;
	background: linear-gradient(#333, #000);
}
.breadcrumb a.active:after, 
.breadcrumb a:hover:after {
	background: #333;
	background: linear-gradient(135deg, #333, #000);
}

.breadcrumb a:after {/*羽部分*/
	content: '';
	position: absolute;
	top: 0; 
	right: -18px; 
	width: 36px; 
	height: 36px;
	transform: scale(0.707) rotate(45deg);
	z-index: 1;
	background: #666;
	background: linear-gradient(135deg, #666, #333);
	box-shadow: 
		2px -2px 0 2px rgba(0, 0, 0, 0.4), 
		3px -3px 0 2px rgba(255, 255, 255, 0.1);
	border-radius: 0 5px 0 50px;
}

.breadcrumb a:last-child:after {
	content: none;
}

.breadcrumb a:before {/*カウンター設置で自動ナンバリング*/
	content: counter(flag);
	counter-increment: flag;
	border-radius: 100%;
	width: 20px;
	height: 20px;
	line-height: 20px;
	margin: 8px 0;
	position: absolute;
	top: 0;
	left: 30px;
	background: #444;
	background: linear-gradient(#444, #222);
	font-weight: bold;
}

html

<div class="breadcrumb">
	<a href="#" class="active">Browse</a>
	<a href="#">Compare</a>
	<a href="#">Order Confirmation</a>
	<a href="#">Checkout</a>
</div>

via

Pure CSS3 breadcrumb navigation – the pixel perfect way