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How to set the first line indentation by 2 characters in css: You can use the text-indent attribute to set the first line indentation by 2 characters, such as [text-indent:2em;]. The text-index attribute is used to specify the indentation of the first line of text in the text block, and em is a relative unit.
Related properties:
The text-indent property specifies the indentation of the first line of text in the text block.
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Attribute value:
length defines a fixed indent. Default value: 0.
% Defines the indent based on a percentage of the width of the parent element.
#inherit Specifies that the value of the text-indent attribute should be inherited from the parent element.
Implementation code:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>首行缩进</title>
<style>
.demo{
width: 550px;
height: 200px;
margin: 50px auto;
}
p{
text-indent:2em;/*em是相对单位，2em即现在一个字大小的两倍*/
}
}
</style>
</head>
<body>
<div class="demo">
<p>
这是一段测试代码，是关于css文本缩进的一段文字。这是一段测试代码，是关于css文本缩进的一段文字。
这是一段测试代码，是关于css文本缩进的一段文字。这是一段测试代码，是关于css文本缩进的一段文字。
这是一段测试代码，是关于css文本缩进的一段文字。这是一段测试代码，是关于css文本缩进的一段文字。
</p>
</div>
</body>
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