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HomeWeb Front-endCSS TutorialHow to use the:first-line pseudo-element selector to change the CSS style of the first line of text in each line of a paragraph

How to use the:first-line pseudo-element selector to change the CSS style of the first line of text in each line of a paragraph

How to use: first-line pseudo-element selector to change the CSS style of the first line of text in each line of a paragraph, you need specific code examples

CSS pseudo-element is A selector commonly used in CSS to specify a specific part or state of an element. Among them, the :first-line pseudo-element selector is used to select the first line of text in the element and apply a specific CSS style to it.

In HTML, we can create a paragraph of text by wrapping the paragraph in a

tag. Next, we will use the :first-line pseudo-element selector to change the text style of the first line in each paragraph.

The code sample is as follows:

HTML code:

<!DOCTYPE html>
<html>
<head>
  <title>使用:first-line伪元素选择器改变段落中每行的第一行文字的CSS样式</title>
  <link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed cursus vestibulum tortor, quis pulvinar metus dapibus ut.</p>
  <p>Phasellus ultrices mauris et dolor cursus, quis consectetur diam commodo. Nam feugiat tortor id.</p>
  <p>Vestibulum nec ipsum vitae mauris condimentum ultricies in sed ligula. Donec quis odio in dui.</p>
</body>
</html>

CSS code (style.css):

p:first-line {
  font-weight: bold;
  font-size: 20px;
  color: red;
}

In the above example, we are in CSS The :first-line pseudo-element selector is used, and p:first-line is used as the selector to specify that a specific style is to be applied to the first line of text in each paragraph

.

In the CSS code, we changed the style of the first line of text, setting it to bold (font-weight: bold), the font size to 20 pixels (font-size: 20px), and the color to red (color: red).

With such a simple CSS code, we can render the first line of text in each paragraph in a different style to better highlight the important content in these texts.

It should be noted that the :first-line pseudo-element selector can only be applied to block-level elements, such as

,

, etc., but cannot be applied to inline elements, such as wait.

By using the :first-line pseudo-element selector, we can easily change the CSS style of the first line of text in each line of a paragraph, making the text more visually appealing and grabbing the reader's attention.

The above is the detailed content of How to use the:first-line pseudo-element selector to change the CSS style of the first line of text in each line of a paragraph. For more information, please follow other related articles on the PHP Chinese website!

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