H5语义标签实际案例

这次给大家带来H5语义标签实际案例，怎么使用H5的语义标签？使用H5的语义标签的注意事项有哪些，下面就是实战案例，一起来看一下。

布局最后以footer元素结束。本示例中footer元素需要放置在div容器的外部，这样可以使footer元素的宽度横跨整个页面。

header {
	margin: 0 0 98px 0; 
}
	
	header h1 {
		float: left; font-size: 36px;
		font-weight: normal;
	}
	
	header nav {
		float: right; text-align: right;
		padding: 6px 0 0 0;
	}
		header nav ul {
			list-style: none;
		}
			header nav li {
				float: left; font-size: 18px;
				width: 136px; margin: 0 0 0 20px;
			}
			
			header nav li:nth-child(1):before {
				content: "1. ";
				color: #a2a2a2;
			}
			header nav li:nth-child(2):before {
				content: "2. ";
				color: #a2a2a2;
			}
			header nav li:nth-child(3):before {
				content: "3. ";
				color: #a2a2a2;
			}
			header nav li:nth-child(4):before {
				content: "4. ";
				color: #a2a2a2;
			}
			header nav li:nth-child(5):before {
				content: "5. ";
				color: #a2a2a2;
			}
#sidebar {
width: 292px; float: left;
padding: 4px 0 0 0;
}
#sidebar h3 {
font-size: 18px; font-weight: normal;
margin: 0 0 25px 0;
}
#sidebar ul {
list-style: none;
}
#sidebar section {
margin: 0 0 47px 0;
}
#sidebar #about a.more {
display: block; text-align: right;
}
#sidebar #categories {
width: 136px; float: left; 
margin: 0 20px 0 0;
}
#sidebar #social {
width: 136px; float: left; 
}
#footer-container {
	background: rgba(0,0,0,0.2); 
	overflow: hidden;
}
	footer {
		width: 916px; margin: 0 auto; padding: 10px 22px 50px 22px;
	}
	footer #credits {
		list-style: none; float: left; 
		}			
		footer #credits li {
			float: left; margin: 0 6px 0 0;
		}
			footer #credits li.wordpress a {
				display: block; width: 20px; height: 20px;
				background: url(images/credits.png) no-repeat 0 0; text-indent: -9999px;
			}
			footer #credits li.spoongraphics a {
				display: block; width: 25px; height: 20px;
				background: url(images/credits.png) no-repeat -30px 0; text-indent: -9999px;
			}
				
		footer #back-top {
			float: right; font-size: 12px;
		}

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