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How to add spaces in css

青灯夜游Original: 2021-07-14 16:14:509856browse

In CSS, you can use the pseudo-elements ":before" and ":after" to add spaces before or after the element content. The syntax format is "element:before {content: "　";}" or "Element:after {content: "　";}".

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

In CSS, you can use the pseudo-elements ":before" and ":after" to add spaces before or after the element content.

:The before selector inserts content before the content of the selected element; the :after selector inserts content after the content of the selected element.

The inserted content needs to be specified using the content attribute.

Grammar format:

// 在元素的内容前面插入内容
:after {
    content:"值";
}

// 在元素的内容后面插入内容
:after {
    content:"值";
}

Example: Insert spaces

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>在选定的元素前或后添加空格</title>
		<style>
			h2 {
				text-decoration: underline;
			}

			h2.before:before {
				content: "　";
				white-space: pre;
			}

			h2.after:after {
				content: "　";
				white-space: pre;
			}
		</style>
	</head>

	<body>
		<h2>元素内容:</h2>
		<h2 class="before">元素内容:</h2>
		<h2 class="after">元素内容:</h2>
	</body>
</html>

Rendering:

How to add spaces in css

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