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How to set horizontal centering in css

青灯夜游
青灯夜游Original
2021-04-02 16:25:115809browse

How to set horizontal centering in css: 1. Use the "text-align: center;" style to horizontally center inline elements in block-level elements (parent elements); 2. Use "margin: 0 auto;" style, which can horizontally center block-level elements with fixed width in block-level elements (parent elements).

How to set horizontal centering in css

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

Method 1: Use the text-align attribute

Directly set the text-align: center; style to the parent element, you can set the block-level element Horizontal centering of inline elements in (parent element)

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<style>
			#father {
				width: 300px;
				height: 100px;
				background: palevioletred;
				text-align: center;
			}
		</style>

		<div id="father">
			我是测试文本!
		</div>

</html>

Rendering:

How to set horizontal centering in css

Description:

This method is only effective for horizontal centering of text, pictures, buttons and other inline elements (the display attribute is set to inline or inline-block)

(Learning video sharing: css video tutorial)

Method 2: Use the margin attribute

to set the child elements that need to be centeredmargin: 0 auto; style, you can horizontally center block-level elements with fixed width in block-level elements (parent elements).

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<style>
			#father {
				width: 300px;
				height: 100px;
				background-color: palevioletred;
			}
			
			#son {
				width: 100px;
				height: 50px;
				background-color: pink;
				margin: 0 auto;
			}
		</style>

		<div id="father">
			<div id="son">我是块级元素</div>
		</div>

</html>

Rendering:

How to set horizontal centering in css

Description:

This method can only be horizontally centered, and for floating elements Invalid targeting.

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