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What are the three application methods of css cascading style sheets
- WBOYOriginal
- 2024-02-21 23:06:041275browse
CSS cascading style sheet is a language used to control the style and layout of web pages and has a wide range of applications. In CSS, there are three application methods, namely inline style, internal style and external style. The following will introduce you to these three application methods in detail, with specific code examples.
- Inline Style:
Inline style is to write the CSS style directly in the style attribute of the HTML element. This style of styling only applies to the defined HTML element and has the highest priority.
Sample code:
<p style="color: red; font-size: 20px;">这是一段内联样式的文本。</p>
- Internal Style:
Internal style is to write the CSS style in the tag of the HTML document. Defined through the
Sample code:
<!DOCTYPE html>
<html>
<head>
<style>
p {
color: blue;
font-size: 16px;
}
</style>
</head>
<body>
<p>这是一段内部样式的文本。</p>
</body>
</html>- External Style:
External style is to write the CSS style separately in an independent .css file, and then Introduce it into the HTML document through the tag. Styles in this manner apply to all HTML documents within the entire website and have the lowest priority.
Sample code:
index.html:
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<p>这是一段外部样式的文本。</p>
</body>
</html>style.css:
p {
color: green;
font-size: 24px;
}Through the above sample code, we can clearly see Learn about the differences in application methods of the three styles and their specific applications.
It should be noted that when multiple style application methods exist at the same time, the priority of the style is: inline style > internal style > external style. Therefore, in actual use, we can choose a suitable style application method according to our needs to achieve flexible and easy-to-maintain style control.
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