H5⽹页布局+css代码美化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;
sublime安装csscomb插件
选中css代码,ctrl+shift+c ⾃动整理好代码
排序前:
排序后:
此时存在多余的空⾏
解决⽅法:
安装cssformat插件,对代码执⾏edit->cssformat->expanded 即可删除空⾏
选中单句样式前⾯的空⽩部分(即tab空位)
然后alt+f3 会统⼀选中所有tab留⽩
按⼀次删除,再按⼀次删除,再空⼀格
此时这个效果:
然后按向下箭头,按向左箭头,按删除⼀次,再加个空格此时效果
再向下箭头,再删除
此时效果
css样式代码美化完毕。
新标签元素的浏览器兼容解决:
header,nav,section,aside,article,footer{display: block;}最后晒出所有代码
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>
css简单网页代码
</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;}
{ 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;}
/*# sourceMappingURL=style.css.map */
效果图

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