H5网页布局+css代码美化

2020-04-01 180 0

HTML5的结构化标签,对搜索引擎更友好
li 标签对不利于搜索引擎的收录,尽量少用
banner图片一般拥有版权,不需要搜索引擎收录,因此可以使用ul + li
<samp></samp>可用于浅色副标题
display:inline-block; 每个导航块存在水平间隙,解决方法是在父元素上添加font-size:0;

新标签元素的浏览器兼容解决

header,nav,section,aside,article,footer{display: block;}

晒出所有代码

index.html

<!DOCTYPE html>
<html lang="en" manifest="index.manifest">
<head>
<meta charset="UTF-8">
<title>Document</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header>
<div class="container">
<a href="#"><img src="cat-little.jpg"></a>
<nav>
<a href="#" class="active">导航</a>
<a href="#">导航</a>
<a href="#">导航</a>
<a href="#">导航</a>
<a href="#">导航</a>
</nav>
</div>
</header>

<section class="banner">
<ul>
<li class="left"><img src="banner1.jpg"></li>
<li class="active"><img src="banner3.jpg"></li>
<li class="right"><img src="banner2.jpg"></li>
</ul>
</section>

<section class="main">
<aside>
<h1>左边<samp>标题</samp></h1>
<dl>
<dt>小标题</dt>
<dd class="text">文字内容哦~</dd>
<dd class="pic"><img src="p1.jpg"></dd>
</dl>
<dl>
<dt>小标题</dt>
<dd class="text">文字内容哦~</dd>
<dd class="pic"><img src="p2.jpg"></dd>
</dl>
<dl>
<dt>小标题</dt>
<dd class="text">文字内容哦~</dd>
<dd class="pic"><img src="p3.jpg"></dd>
</dl>
</aside>
<article>
<h1>右边<samp>标题</samp></h1>
<p>这是右边文章内容哦~</p>
<img src="qrt.jpg">
<p>这是右边文章内容哦~</p>
</article>
</section>

<footer>
<div class="container">
<p>版权信息</p>
<span>
<img src="b1.jpg">
<img src="b2.jpg">
<img src="b3.jpg">
</span>
</div>
</footer>
</body>
</html>

style.css

* { font-size: 14px; margin: 0; padding: 0; border: none;}
a { text-decoration: none;}
ul { list-style: none;}

/*浏览器兼容解决*/
header,nav,section,aside,article,footer{display: block;}

/*头部*/
header { width: 100%; height: 60px; background-color: #000;}
.container { width: 1200px; margin: 0 auto;}
.container > a { display: block; float: left; width: 150px; height: 60px; padding-left: 10px;}
.container > a img { height: 40px; padding-top: 10px;}
nav { font-size: 0; float: right; padding-right: 10px;}
nav > a { font-size: 16px; line-height: 60px; display: inline-block; width: 100px; height: 60px; cursor: pointer; text-align: center; color: #fff;}
nav > a:first-child { background: rgb(212, 1, 18);}
nav > a:nth-child(2) { background: rgb(254, 184, 0);}
nav > a:nth-child(3) { background: rgb(120, 185, 23);}
nav > a:nth-child(4) { background: rgb(242, 124, 1);}
nav > a:last-child { background: rgb(1, 127, 203);}
nav > a:hover, nav > a.active { padding-bottom: 5px;}

/*banner*/
.banner { background: #ccc;}
.banner ul { position: relative; width: 1200px; height: 400px; margin: 0 auto; padding-top: 100px;}
.banner ul li { position: absolute; z-index: 1; top: 0; bottom: 0; overflow: hidden; width: 500px; height: 250px; margin: auto;}
.banner ul li img { overflow: hidden; width: 100%;}
.banner ul li.active { z-index: 2; right: 0; /*设置水平居中*/ left: 0; width: 600px; height: 300px;}
.banner ul li.left { /*设置在左边*/ left: 0;}
.banner ul li.right { /*设置在右边*/ right: 0;}

/*主体部分*/
.main { width: 1200px; height: 350px; margin: 0 auto;}
aside { float: left; width: 600px;}
article { float: right; width: 600px;}
.main h1 { font-size: 24px; font-weight: lighter; margin: 20px 0;}
.main h1 samp { color: #7d7d7d;}
aside img { height: 70px;}
aside dl { position: relative; margin-bottom: 10px;}
aside dl dt { position: absolute; top: 0; left: 90px;}
aside dd.pic { overflow: hidden; width: 70px; height: 70px;}
aside dd.text { position: absolute; top: 20px; left: 90px;}
article > img { overflow: hidden; height: 130px;}
article > p { margin-bottom: 10px;}

/*底部*/
footer { background-color: #000;}
footer > .container { width: 1200px; height: 60px; margin: 0 auto;}
footer > .container > p { line-height: 60px; float: left; color: #fff;}
footer > .container > span { float: right;}
footer > .container > span > img { width: 25px; height: 25px; margin-left: 10px; padding-top: 17px; cursor: pointer; opacity: .7;}
footer > .container > span > img:hover { opacity: 1;}

效果图


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