<!--
We will create a family tree using just CSS(3)
The markup will be simple nested lists
-->
<div class="tree">
	<ul>
		<li>
			<a href="#">親</a>
			<ul>
				<li>
					<a href="#">子</a>
					<ul>
						<li>
							<a href="#">孫</a>
							<ul>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
							</ul>
						</li>
					</ul>
				</li>
				<li>
					<a href="#">子</a>
					<ul>
						<li><a href="#">孫</a></li>
						<li>
							<a href="#">孫</a>
							<ul>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
							</ul>
						</li>
						<li><a href="#">孫</a>
							<ul>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
								<li>
									<a href="#">曾孫</a>
								</li>
							</ul>
						</li>
					</ul>
				</li>
			</ul>
		</li>
	</ul>
</div>
/*Now the CSS*/
* {margin: 0; padding: 0;}

.tree ul {
	padding-top: 20px; 
	position: relative;
}

.tree li {
	float: left; 
	text-align: center;
	list-style-type: none;
	position: relative;
	padding: 20px 5px 0 5px;
}

.tree li::before, .tree li::after{
	content: '';
	position: absolute; 
	top: 0; 
	right: 50%;
	border-top: 1px solid #ccc;
	width: 50%; 
	height: 20px;
}
.tree li::after{
	right: auto; 
	left: 50%;
	border-left: 1px solid #ccc;
}

.tree li:only-child::after, 
.tree li:only-child::before {
	display: none;
}

.tree li:only-child{ padding-top: 0;}

.tree li:first-child::before,
.tree li:last-child::after{
	border: 0 none;
}

.tree li:last-child::before{
	border-right: 1px solid #ccc;
	border-radius: 0 5px 0 0;
}
.tree li:first-child::after{
	border-radius: 5px 0 0 0;
}

.tree ul ul::before{
	content: '';
	position: absolute; 
	top: 0; 
	left: 50%;
	border-left: 1px solid #ccc;
	width: 0; 
	height: 20px;
}

.tree li a{
	border: 1px solid #ccc;
	padding: 5px 10px;
	text-decoration: none;
	color: #666;
	font-size: 11px;
	display: inline-block;
	border-radius: 5px;
}

.tree li a:hover, 
.tree li a:hover+ul li a {
	background: #c8e4f8; 
	color: #000; 
	border: 1px solid #94a0b4;
}

.tree li a:hover+ul li::after, 
.tree li a:hover+ul li::before, 
.tree li a:hover+ul::before, 
.tree li a:hover+ul ul::before{
	border-color:  #94a0b4;
}

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