CSS的三种样式_html/css_WEB-ITnose
从CSS 样式代码插入的形式来看基本可以分为以下3种：内联式、嵌入式和外部式三种。
1：内联式css样式表就是把css代码直接写在现有的HTML标签中，如下面代码：
<p style="color:red";font-size:12px>这里文字是红色。</p>
2:嵌入式，嵌入式css样式，就是可以把css样式代码写在标签之间。
<head> <style type="text/css"> span{ color:red; } </style></head>3:外部式css样式，写在单独的一个文件中.
外部式css样式(也可称为外联式)就是把css代码写一个单独的外部文件中，这个css样式文件以“.css”为扩展名，在
内（不是在
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