为什么不设置高度:100％可以将div扩展到屏幕高度? [英] Why doesn't height: 100% work to expand divs to the screen height?
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问题描述
我希望轮播DIV(s7)扩展到整个屏幕的高度.我不知道为什么它没有成功.要查看该页面，您可以此处.
I want the carousel DIV (s7) to expand to the height of the entire screen. I haven't an idea as to why it's not succeeding. To see the page you can go here.
body {
height: 100%;
color: #FFF;
font: normal 28px/28px'HelveticaWorldRegular', Helvetica, Arial, Sans-Serif;
background: #222 url('') no-repeat center center fixed;
overflow: hidden;
background-size: cover;
margin: 0;
padding: 0;
}
.holder {
height: 100%;
margin: auto;
}
#s7 {
width: 100%;
height: 100%: margin: auto;
overflow: hidden;
z-index: 1;
}
#s7 #posts {
width: 100%;
min-height: 100%;
color: #FFF;
font-size: 13px;
text-align: left;
line-height: 16px;
margin: auto;
background: #AAA;
}
<div class="nav">
<a class="prev2" id="prev2" href="#">
<img src="http://static.tumblr.com/ux4v5bf/ASslogxz4/left.png">
</a>
<a class="next2" id="next2" href="#">
<img src="http://static.tumblr.com/ux4v5bf/swslogxmg/right.png">
</a>
</div>
<div class="holder">
<tr>
<td>
<div id="s7">
{block:Posts}
<div id="posts">
推荐答案
为了使百分比值适用于身高，必须确定父母的身高.唯一的例外是 root 元素<html>，该元素可以是百分比高度.
In order for a percentage value to work for height, the parent's height must be determined. The only exception is the root element <html>, which can be a percentage height. .
因此，除了<html>以外，您已经为所有元素设置了高度，所以您应该添加以下内容:
So, you've given all of your elements height, except for the <html>, so what you should do is add this:
html {
height: 100%;
}
您的代码应该可以正常工作.
And your code should work fine.
* { padding: 0; margin: 0; }
html, body, #fullheight {
min-height: 100% !important;
height: 100%;
}
#fullheight {
width: 250px;
background: blue;
}
<div id=fullheight>
Lorem Ipsum
</div>
JsFiddle example.
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