margin:0自动不居中? [英] margin: 0 auto not centering?

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本文介绍了margin:0自动不居中?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在Chrome,Firefox和Safari中尝试过下列程式码,但我的div并不完全集中。

I've tried the following code in Chrome, Firefox, and Safari, but my div isn't quite being centered.

HTML:

<!DOCTYPE html> 
<html> 
<head> 
    <link href="custom.css" media="screen" rel="stylesheet" type="text/css" />
</head> 
<body>  
    <div class="center">Hello!</div>
</body> 
</html>

custom.css:

custom.css:

.center {
  width: 400px;
  margin: 0 auto;
  border: 5px solid black;
}

这会在Chrome中生成以下内容:

This produces the following in Chrome:

,您可以看到左边距大于

and you can see that the left margin is bigger than the right margin.

我做错了什么?

推荐答案

是因为正文有边距(默认为浏览器):

It is because the body has a margin (default for browsers):

body { margin: 0px; }

您可能需要使用 CSS重置

大。在您的屏幕截图中,它是:

It should look normal if your window is bigger. In your screenshot it's like:

这篇关于margin:0自动不居中?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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