Home Web Front-end HTML Tutorial How to set the box to be centered in html

How to set the box to be centered in html

Apr 05, 2024 am 08:51 AM
Center vertically

在 HTML 中设置盒子居中,可以使用以下方法:水平居中:text-align: center;margin: 0 auto;垂直居中:vertical-align: middle;display: flex; align-items: center;两个维度居中:display: flex; justify-content: center; align-items: center;

How to set the box to be centered in html

如何在 HTML 中设置盒子居中

在 HTML 中设置盒子居中是常见且有用的任务。有几种方法可以实现这一点,具体取决于要对齐的元素类型以及所需的居中方式。

水平居中

水平居中是指使盒子水平对其父元素居中。有两种常用的方法:

  • text-align: center;:这会将文本内容水平居中在一个块级元素中。
  • margin: 0 auto;:这会将块级元素水平居中在父元素中。

例如:

<div style="text-align: center;">
  <p>Hello, world!</p>
</div>
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垂直居中

垂直居中是指使盒子垂直对其父元素居中。有两种常用的方法:

  • vertical-align: middle;:这会将行内元素(如图像或文本)垂直居中在父元素中。
  • display: flex; align-items: center;:这会将块级元素垂直居中在父元素中。

例如:

<div style="display: flex; align-items: center;">
  <img src="image.jpg" style="vertical-align: middle;">
</div>
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两个维度居中

要同时水平和垂直居中一个盒子,可以使用 flexbox,如下所示:

<div style="display: flex; justify-content: center; align-items: center;">
  <div>Box</div>
</div>
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