DIV+CSS例子

DIV水平居中+垂直居中

#main_zone{

    width:1190px;

    height:570px;

    background-color:#fff;

    margin:0 auto; /*左右居中*/

    margin-top:-285px;/*垂直居中*/

    margin-left:-595px;

    position:absolute;

    top:50%;

    left:50%;/*

    border:1px solid red; */

}

1.第一个例子

index.css
#header ,#centers ,#footer
{
width:1024px;
margin:0 auto;
clear:both;
font-size:18px;
line-height:68px;
font-weight:bold;
}
#header
{
height:68px;
border:1px solid #CCCCCC;
}
#centers
{
padding:8px 0;
}
#footer
{
border-top:1px solid #CCCCCC;
background:#F2F2F2;
}
#centers .c_left
{
float:left;
width:390px;
border:1px solid #00CC66;
background:#F7F7F7;
margin-right:5px;
}
#centers .c_right
{
float:left;
width:625px;
border:1px solid #00CC66;
background:#F7F7F7
}

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html; charset=gb2312"/>
<title>css布局案例实验页面-www.divcss5.com.cn</title>
<linkhref="index.css"rel="stylesheet"type="text/css"/>
</head>
<body>
<divid="header">我是头部（上）</div>
<divid="centers">
<divclass="c_left">我是中的左</div>
<divclass="c_right">我是中的右</div>
<divclass="clear"> </div>
</div>
<divid="footer">我是底部（下）</div>
</body>
</html>

2.第二个例子

@charset "utf-8";

/* CSS Document */

html,body,div,span,h1,h2,h3,h4,h5,h6,p,pre,a,code,em,img,small,strong,sub,sup,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;transparent}

a{color:#007bc4 /*#424242*/; text-decoration:none;}

ol,ul{list-style:none}

table{border-collapse:collapse;border-spacing:0}

body{height:100%; font:16px/18px "Microsoft Yahei", Tahoma, Helvetica, Arial, Verdana, "\5b8b\4f53", sans-serif; color:#51555C; background:#2b2b2b/*162934*/ url(../images/body_bg.gif) repeat-x}

img{border:none}

#header{width:910px; min-height:110px; padding:3px; background:#fff; margin:0 auto;-moz-border-radius:12px;-khtml-border-radius: 12px;-webkit-border-radius: 12px; border-radius:12px;}

#main{width:910px; min-height:600px; padding:3px; margin:10px auto 0 auto; background:#fff; -moz-border-radius:12px;-khtml-border-radius: 12px;-webkit-border-radius: 12px; border-radius:12px;}

#footer{width:910px;min-height:100px;  padding:3px; margin:10px auto 0 auto; background:#fff;-moz-border-radius:12px;-khtml-border-radius: 12px;-webkit-border-radius: 12px; border-radius:12px;}

#footer p{ padding:10px 2px; line-height:24px; text-align:center}

#footer p a:hover{color:#51555C}

/* ----------------------------------- 表格 ----------------------------------- */

table.dataintable {

font-family: "Microsoft Yahei", Tahoma, Helvetica, Arial, Verdana, "\5b8b\4f53", sans-serif;

/*

font-family:Arial, Helvetica, sans-serif;

*/

margin-top:10px;

border-collapse:collapse;

border:1px solid #aaa;

width:100%;

}

table.dataintable th {

vertical-align:baseline;

padding:5px 15px 5px 5px;

background-color:#d5d5d5;

border:1px solid #aaa;

text-align:left;

}

table.dataintable td {

vertical-align:text-top;

padding:5px 15px 5px 5px;

background-color:#efefef;

border:1px solid #aaa;

}

/*输入框的样式类*/

.input_text{

color: #ff0000;

background-color: #FFFFFF;

border: #006699;

border-style: dashed;

border-top-width: 1px;

border-right-width: 1px;

border-bottom-width: 1px;

border-left-width: 1px;

}

<!DOCTYPE html>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title></title>

<link rel="stylesheet" type="text/css" href="css/css.css" />

</head>

<body>

<div id="header">

</div>

<div id="main">

<?php

require 'Connection.php';

// mysql_select_db("php", $con);

$sql = "SELECT * FROM think_data";

//$result = mysql_query($sql_string);

$rs = mysql_query($sql);

if (!$rs) {

exit("Error in SQL");

}

echo "<table border=\"1\"><tr>";

echo "<th>id</th>";

echo "<th>data</th></tr>";

while ($row = mysql_fetch_array($rs)) {

$id = $row['id'];

$data = $row['data'];

echo "<tr><td>$id</td>";

echo "<td>$data</td></tr>";

}

mysql_close($con);

echo "</table>";

?>

<br/>

大多数用户都不在使用更老的 Internet Explorer 版本。Web 开发者会忽略它们。而它们的功能也过时了。<br/>

Version 4.0 (发布于 1997) 的使用率不到 1% 。它对 CSS 和 DOM 的支持非常好，但不支持 XML。<br/>

Version 3.0 (发布于 1996) 的使用率不到 0.1%。<br/>

Version 2.0 (发布于 1995)。这个版本太老了，已经没有人使用它了。<br/>

Version 1.0 (发布于 1995)。还有人记得它吗？<br/>

<table class="dataintable">

<tr>

<th width="10%">标题1</th>

<th>标题2</th>

</tr>

<tr>

<td>数据1</td>

<td>数据2</td>

</tr>

</table>

<hr/>

<form>

<table>

<tr>

<th width="10%">用户名</th>

<td><input class="input_text" type="text" name="firstname" size="15"/></td>

</tr>

<tr>

<th>密码</th>

<td> <input class="input_text" type="password" name="password" size="16"/></td>

</tr>

</table>

</form>

<hr/>

<br/>

<a href="#">后台管理</a>

</div>

<div id="footer">

<p>

版权所有，翻版必究 2013<br/>

Email:umgsai@126.com<br/>

<a href="#">后台管理</a>

</p>

</div>

</body>

</html>

DIV+CSS例子 650) this.width=650;" title="QQ截图20130727205117.png" src="http://img1.51cto.com/attachment/201307/205301789.png" alt="205301789.png" />

3.第三个例子

DIV+CSS例子 650) this.width=650;" src="http://img1.51cto.com/attachment/201307/093121852.png" title="QQ截图20130728092939.png" alt="093121852.png" />

代码见附件。

本文出自 “阿凡达” 博客，请务必保留此出处http://shamrock.blog.51cto.com/2079212/1055961

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