Css 对中主分区

Css 对中主分区,css,Css,我有一个div,里面是其他div。我的div是: 如何将其居中,以便所有其他div都居中 margin-left: auto; margin-right: auto; 并且确保它没有100%的宽度 --编辑: 因为您使用的是位置:绝对具有已知宽度(本例中为900px),您可以执行以下操作: left: 50%; margin-left: -450px; 其中-450px为宽度的一半,取反 并且确保它没有100%的宽度 --编辑: 因为您使用的是位置:绝对具有已知宽度(本例中为900px),您

我有一个div,里面是其他div。我的div是:

如何将其居中,以便所有其他div都居中

margin-left: auto;
margin-right: auto;
并且确保它没有100%的宽度

--编辑: 因为您使用的是
位置:绝对具有已知宽度(本例中为
900px
),您可以执行以下操作:

left: 50%;
margin-left: -450px;
其中
-450px
为宽度的一半,取反

并且确保它没有100%的宽度

--编辑: 因为您使用的是
位置:绝对具有已知宽度(本例中为
900px
),您可以执行以下操作:

left: 50%;
margin-left: -450px;

其中
-450px
为宽度的一半,取反。

内部{margin:0 auto;}

要使其垂直居中,请执行以下操作:

inner_div { position:absolute; top:50%; margin-top:-300px; }

internal_div{margin:0 auto;}

要使其垂直居中,请执行以下操作:

inner_div { position:absolute; top:50%; margin-top:-300px; }
这是我的css:

#Table_01 {
    position:absolute;
    left:0px;
    top:0px;
    width:900px;
    height:600px;
}

#index-01 {
    position:absolute;
    background-color:#003366;
    left:0px;
    top:0px;
    width:900px;
    height:30px;
}

#index-02 {
    position:absolute;
    left:0px;
    top:30px;
    width:900px;
    height:72px;
}

#index-03 {
    position:absolute;
    left:0px;
    top:102px;
    width:900px;
    height:27px;
}

#index-04 {
    position:absolute;
    left:0px;
    top:129px;
    width:223px;
    height:223px;
}

#index-05 {
    position:absolute;
    left:223px;
    top:129px;
    width:382px;
    height:174px;
}

#index-06 {
    position:absolute;
    left:605px;
    top:129px;
    width:295px;
    height:223px;
}

#index-07 {
    position:absolute;
    left:223px;
    top:303px;
    width:382px;
    height:49px;
}

#index-08 {
    position:absolute;
    left:0px;
    top:352px;
    width:475px;
    height:183px;
}

#index-09 {
    position:absolute;
    left:475px;
    top:352px;
    width:425px;
    height:183px;
}

#index-10 {
    position:absolute;
    left:0px;
    top:535px;
    width:900px;
    height:34px;
}

#index-11 {
    position:absolute;
    background-color:#003366;
    left:0px;
    top:569px;
    width:900px;
    height:31px;
}
我的html:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
   "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="http://localhost/assets/css/td.css" />
<title>Training Day</title>

<body style="margin: 0px; background-color: rgb(255, 255, 255);">
<div id="Table_01">
<div id="index-01"> &nbsp; &nbsp;$today is<br>
</div>
<div id="index-02"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; $logo and
$searchbox<br>
</div>
<div id="index-03"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp;Navigation<br>
</div>
<div id="index-04"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp;Box 1<br>
</div>
<div id="index-05"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
Front page picture holder<br>
</div>
<div id="index-06"> &nbsp; &nbsp; &nbsp; Trending Topics<br>
</div>
<div id="index-07"> &nbsp; &nbsp; Heading author and location</div>
<div id="index-08"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Tabs<br>
</div>
<div id="index-09"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; Twitter Live Feeds<br>
</div>
<div id="index-10"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; Stats bar<br>
</div>
<div id="index-11"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Footer<br>
</div>
</div>
<!-- End Save for Web Slices -->
</body>
</html>

训练日
$today是
$logo和 $searchbox
导航
框1
头版图片夹
趋势主题
标题作者和位置 选项卡
Twitter实时订阅源
统计栏
页脚
这是我的css:

#Table_01 {
    position:absolute;
    left:0px;
    top:0px;
    width:900px;
    height:600px;
}

#index-01 {
    position:absolute;
    background-color:#003366;
    left:0px;
    top:0px;
    width:900px;
    height:30px;
}

#index-02 {
    position:absolute;
    left:0px;
    top:30px;
    width:900px;
    height:72px;
}

#index-03 {
    position:absolute;
    left:0px;
    top:102px;
    width:900px;
    height:27px;
}

#index-04 {
    position:absolute;
    left:0px;
    top:129px;
    width:223px;
    height:223px;
}

#index-05 {
    position:absolute;
    left:223px;
    top:129px;
    width:382px;
    height:174px;
}

#index-06 {
    position:absolute;
    left:605px;
    top:129px;
    width:295px;
    height:223px;
}

#index-07 {
    position:absolute;
    left:223px;
    top:303px;
    width:382px;
    height:49px;
}

#index-08 {
    position:absolute;
    left:0px;
    top:352px;
    width:475px;
    height:183px;
}

#index-09 {
    position:absolute;
    left:475px;
    top:352px;
    width:425px;
    height:183px;
}

#index-10 {
    position:absolute;
    left:0px;
    top:535px;
    width:900px;
    height:34px;
}

#index-11 {
    position:absolute;
    background-color:#003366;
    left:0px;
    top:569px;
    width:900px;
    height:31px;
}
我的html:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
   "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="http://localhost/assets/css/td.css" />
<title>Training Day</title>

<body style="margin: 0px; background-color: rgb(255, 255, 255);">
<div id="Table_01">
<div id="index-01"> &nbsp; &nbsp;$today is<br>
</div>
<div id="index-02"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; $logo and
$searchbox<br>
</div>
<div id="index-03"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp;Navigation<br>
</div>
<div id="index-04"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp;Box 1<br>
</div>
<div id="index-05"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
Front page picture holder<br>
</div>
<div id="index-06"> &nbsp; &nbsp; &nbsp; Trending Topics<br>
</div>
<div id="index-07"> &nbsp; &nbsp; Heading author and location</div>
<div id="index-08"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Tabs<br>
</div>
<div id="index-09"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; Twitter Live Feeds<br>
</div>
<div id="index-10"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; Stats bar<br>
</div>
<div id="index-11"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Footer<br>
</div>
</div>
<!-- End Save for Web Slices -->
</body>
</html>

训练日
$today是
$logo和 $searchbox
导航
框1
头版图片夹
趋势主题
标题作者和位置 选项卡
Twitter实时订阅源
统计栏
页脚
应该可以:

表01{ }应该可以:

表01{
}

这对我来说总是有效的

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="nl" lang="nl">
<head>
    <style type="text/css">
        body {
          text-align: center;
        }

        #mainsite {
           width: 770px;
           margin: auto;
           text-align: left;
           background-color: red;
        }
    </style>
</head>
<body>

<div id="mainsite">
    whee
</div>

</body>
</html>

身体{
文本对齐:居中;
}
#主站点{
宽度:770px;
保证金:自动;
文本对齐:左对齐;
背景色:红色;
}
惠伊

这对我来说总是有效的

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="nl" lang="nl">
<head>
    <style type="text/css">
        body {
          text-align: center;
        }

        #mainsite {
           width: 770px;
           margin: auto;
           text-align: left;
           background-color: red;
        }
    </style>
</head>
<body>

<div id="mainsite">
    whee
</div>

</body>
</html>

身体{
文本对齐:居中;
}
#主站点{
宽度:770px;
保证金:自动;
文本对齐:左对齐;
背景色:红色;
}
惠伊

#Table_01{位置:绝对;左侧:0px;顶部:0px;宽度:900px;高度:600px;}如果您使用已知宽度执行
位置:绝对
操作,您可以执行类似
左侧:50%;左边距:-450px#表01{位置:绝对;左:0px;顶部:0px;宽度:900px;高度:600px;}如果你用已知宽度做
位置:绝对
,你可以做类似
左:50%;左边距:-450px是否将其设置为内部div?是否将其设置为内部div?