我想用CSS垂直居中放置一个div。我不需要表或JavaScript,只需要纯CSS。我找到了一些解决方案,但都缺少Internet Explorer 6支持。
<body>
<div>Div to be aligned vertically</div>
</body>
如何在所有主要浏览器(包括Internet Explorer 6)中垂直居中放置div?
我想用CSS垂直居中放置一个div。我不需要表或JavaScript,只需要纯CSS。我找到了一些解决方案,但都缺少Internet Explorer 6支持。
<body>
<div>Div to be aligned vertically</div>
</body>
如何在所有主要浏览器(包括Internet Explorer 6)中垂直居中放置div?
当前回答
我认为,对于所有不使用Flexbox的浏览器来说,“alignitems:center;”是一种显示:表格和垂直对齐:中间;的组合;。
CSS
.vertically-center
{
display: table;
width: 100%; /* Optional */
height: 100%; /* Optional */
}
.vertically-center > div
{
display: table-cell;
vertical-align: middle;
}
HTML
<div class="vertically-center">
<div>
<div style="border: 1px solid black;">some text</div>
</div>
</div>
演示:https://jsfiddle.net/6m640rpp/
其他回答
我觉得这个最有用。。。它给出了最准确的“H”布局,并且非常容易理解。
这种标记的好处是您可以在一个地方定义内容大小->“PageContent”。
页面背景的颜色及其水平边距在其相应的div中定义。
<div id="PageLayoutConfiguration"
style="display: table;
position:absolute; top: 0px; right: 0px; bottom: 0px; left: 0px;
width: 100%; height: 100%;">
<div id="PageBackground"
style="display: table-cell; vertical-align: middle;
background-color: purple;">
<div id="PageHorizontalMargins"
style="width: 100%;
background-color: seashell;">
<div id="PageContent"
style="width: 1200px; height: 620px; margin: 0 auto;
background-color: grey;">
My content goes here...
</div>
</div>
</div>
</div>
这里用CSS分隔:
<div id="PageLayoutConfiguration">
<div id="PageBackground">
<div id="PageHorizontalMargins">
<div id="PageContent">
my content goes here...
</div>
</div>
</div>
</div>
#PageLayoutConfiguration{
display: table;
width: 100%;
height: 100%;
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
}
#PageBackground{
display: table-cell;
vertical-align: middle;
background-color: purple;
}
#PageHorizontalMargins{
width: 100%;
background-color: seashell;
}
#PageContent{
width: 1200px;
height: 620px;
margin: 0 auto;
background-color: grey;
}
不回答浏览器兼容性,但也要提到新的网格和不那么新的Flexbox功能。
Grid
来自:Mozilla-网格文档-垂直对齐Div
浏览器支持:网格浏览器支持
CSS:
.wrapper {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 10px;
grid-auto-rows: 200px;
grid-template-areas:
". a a ."
". a a .";
}
.item1 {
grid-area: a;
align-self: center;
justify-self: center;
}
HTML格式:
<div class="wrapper">
<div class="item1">Item 1</div>
</div>
柔性包装箱
浏览器支持:Flexbox浏览器支持
CSS:
display: -webkit-box;
display: -moz-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
align-items: center;
justify-content: center;
我用这个。它适用于Internet Explorer 8和更高版本:
高度:268px-用于显示:表的作用类似于最小高度。
CSS:
* {
padding: 0;
margin: 0;
}
body {
background: #cc9999;
}
p {
background: #f0ad4e;
}
#all {
margin: 200px auto;
}
.ff-valign-wrap {
display: table;
width: 100%;
height: 268px;
background: #ff00ff;
}
.ff-valign {
display: table-cell;
height: 100%;
vertical-align: middle;
text-align: center;
background: #ffff00;
}
HTML格式:
<body>
<div id="all">
<div class="ff-valign-wrap">
<div class="ff-valign">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Amet, animi autem doloribus earum expedita, ipsum laboriosam nostrum nulla officiis optio quam quis quod sunt tempora tenetur veritatis vero voluptatem voluptates?</p>
</div>
</div>
</div>
</body>
这是迄今为止最简单的方法,也适用于非阻塞元素。唯一的缺点是它是Flexbox,因此,较旧的浏览器将不支持此功能。
<div class="sweet-overlay">
<img class="centered" src="http://jimpunk.com/Loading/loading83.gif" />
</div>
指向CodePen的链接:
http://codepen.io/damianocel/pen/LNOdRp
这里重要的一点是,对于垂直居中,我们需要定义父元素(容器),并且img的高度必须小于父元素。
这在我的情况下有效(仅在现代浏览器中测试):
.textthatneedstobecentered {
margin: auto;
top: 0; bottom: 0;
}