给大家做一个小列子，采用DIV和CSS来实现，同时我们并不用图片来做背景，直接用背景色来实现，鼠标悬停在对应栏目的名称后对应的背景蓝色变深。
一般导航条采用ul li列表布局，这里也不例外，也采用列表标签ul li + CSS布局。
在实际DIV+CSS布局项目中，一般不会只使用一次ul li列表，避免干扰其他地方使用ul li布局，避免对ul li设置样式影响其他地方，所以特地这里对ul设置一个#nav命名（一般导航条以nav或menu为CSS命名，这里选择nav），假如导航条背景宽度100%全屏或固定宽度均可，这里就由ul#nav控制，这里就设置100%全屏宽度蓝色背景。
这里一个技术点，对ul里的li设置排成一排所以需要设置一个CSS display:inline让li排成一排，从而让li并排布局。
然后需要对ul li里的a标签设置display:block的，但a父级li不设置具体宽度，所以需要对a设置display:inline-block让其a随li并排继承同时对a设置宽度高度等样式生效。
具体布局高度、颜色值、栏目间距距离均需要通过软件获得
具体案例p css代码
在引人初始化模板基础上进行案例代码布局。
新增各代码如下：
CSS代码：
ul#nav{ width:100%; height:60px; background:#00A2CA;margin:0 auto}
ul#nav li{display:inline; height:60px}
ul#nav li a{display:inline-block; padding:0 20px; height:60px; line-height:60px;
color:#FFF; font-family:"\5FAE\8F6F\96C5\9ED1"; font-size:16px}
ul#nav li a:hover{background:#0095BB}/*设置鼠标滑过或悬停时变化的背景颜色*/这里ul和#nav紧贴没有空格，代表#nav只针对ul标签设置，标签只有ul标签使用id=”nav”设置样式才能生效。
以上代码没有在ul外再设置DIV，这样可以节约一个DIV实现同样布局。
HTML代码
<ul id="nav">
<li><a href="http://www.php.com/">首页</a></li>
<li><a href="http://www.php.com/html/">HTML教程</a></li>
<li><a href="http://www.php.com/rumen/">CSS基础</a></li>
<li><a href="http://www.php.com/css-tool/">CSS开发工具</a></li>
<li><a href="http://www.php.com/css-texiao/">CSS特效</a></li>
<li><a href="http://www.php.com/wenji/">CSS问题</a></li>
</ul>完整HTML源代码：
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>小小简单大方通用导航条</title> <link href="images/style.css" rel="stylesheet" type="text/css" /> </head> <body> <ul id="nav"> <li><a href="http://www.php.cn/">首页</a></li> <li><a href="http://www.php.cn/">HTML教程</a></li> <li><a href="http://www.php.cn/">CSS基础</a></li> <li><a href="http://www.php.cn/">CSS开发工具</a></li> <li><a href="http://www.php.cn/">CSS特效</a></li> <li><a href="http://www.php.cn/">CSS问题</a></li> </ul> </body> </html>
完整CSS源代码：
@charset "utf-8";
body, p, ul, li{margin:0; padding:0;font-style: normal;font:12px/22px "\5B8B\4F53",Arial, Helvetica, sans-serif}
/* \5B8B\4F53 代表 宋体 */
ol, ul ,li{list-style:none}
img {border: 0; vertical-align:middle}
body{color:#000000;background:#FFF; text-align:center}
.clear{clear:both;height:1px;width:100%; overflow:hidden; margin-top:-1px}
a{color:#000000;text-decoration:none}
a:hover{color:#BA2636}
.red ,.red a{ color:#F00}
.lan ,.lan a{ color:#1E51A2}
.pd5{ padding-top:5px}
.dis{display:block}
.undis{display:none}
ul#nav{ width:100%; height:60px; background:#00A2CA;margin:0 auto}
ul#nav li{display:inline; height:60px}
ul#nav li a{display:inline-block; padding:0 20px; height:60px; line-height:60px;
color:#FFF; font-family:"\5FAE\8F6F\96C5\9ED1"; font-size:16px}
ul#nav li a:hover{background:#0095BB}这样就是一份完整的导航条了，用我们的CSS和DIV来实现的，有兴趣的朋友可以深度研究一下。
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