htmlThe way to set the center alignment of text is to add the text-align attribute to the paragraph text and set the attribute value to center, such as [h1 {text-align:center}]. The text-align attribute specifies the horizontal alignment of the element's text.

The operating environment of this article: windows10 system, html 5, thinkpad t480 computer.
To set the text to be centered, just use the text-align attribute. Maybe some friends who are new to programming don't know much about the text-algin attribute and don't understand its use. Let me briefly introduce this attribute to you.
The text-align attribute specifies the horizontal alignment of the element's text.
Commonly used attribute values are as follows:
left Arrange the text to the left. Default: determined by the browser.
#right Arrange the text to the right.
#center Arrange the text to the center.
#justify Achieve the effect of aligning text on both ends.
#inherit Specifies that the value of the text-align attribute should be inherited from the parent element.
Code demonstration:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文网(php.cn)</title>
<style>
h1 {text-align:center}
h2 {text-align:left}
h3 {text-align:right}
</style>
</head>
<body>
<h1 id="This-nbsp-is-nbsp-heading-nbsp">This is heading 1</h1>
<h2 id="This-nbsp-is-nbsp-heading-nbsp">This is heading 2</h2>
<h3 id="This-nbsp-is-nbsp-heading-nbsp">This is heading 3</h3>
</body>
</html>The running results are shown below:

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