HTML5-css样式分类

    xiaoxiao2025-03-22  21

    1、行内样式

    <body> <!--行内样式--> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <div style="font-size: 30px; color: red; background-color: blue;">121221323231221</div> <p>r43fdjvbdflvnadkjvadjvndfajkvndavnavnadfkvnadjk</p> </body>

    显然这种样式是非常麻烦的,代码非常冗余,真正开发中基本不用。

    2、页内样式

    <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <!-- 单个文件当中使用--> <title></title> <style> div{ color: green; font-size: 40px; background-color: red; } </style> </head> <body> <div>111111111111111111</div> <div>111111111111111111</div> <div>3333333333333333</div> <div>111111111111111111</div> <div>555555555555555</div> <p>222222222222222222</p> </body> </html>

    3、外部样式。(*这种样式在开发中比较常见)

    <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> <link rel="stylesheet" href="css/index.css"> </head> <body> <div>3322222223232332323</div> <p>2222222222222222222222</p> </body> </html>

    另外需要单独建立一个css文件,可供整个工程使用

    div{ color: brown; font-size: 50px; } p{ background-color: yellow; color: green; font-size: 39px; }
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