external css style
External css style (also called external style) is to write the css code in a separate external file. This css style file has the extension name of ".css" and is in <head> (not in <style> tag) Use the <link> tag to link the css style file to the HTML file, as shown in the following code:
<link href="base.css" rel="stylesheet" type="text/css" />
Note:
1. The name of the css style file begins with Named with English letters of meaning, such as main.css.
2. rel="stylesheet" type="text/css" is a fixed writing method that cannot be modified.
3. The <link> tag position is generally written within the <head> tag.
body { line-height: 130pt}
H1,H2,H3,H4,H5,H6 {
color: red;
text-decoration: underline;
font-family: " 黑体 "
}
b {
font-style: italic;
color: #FF3333;
text-decoration: underline
}We see that only the < STYLE> and comment tags are missing, and the rest of the external style sheet has not changed.
new file
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<link href="mycss.css" type="text/css" rel="stylesheet">
</head>
<body>
<!--p 标签中嵌套了一个 a 标签，在下面的 css 引用过程中我们可以看到的.pclass a 即为 class 被用作派生选择器-->
<p class="pclass">这是一个 class 显示效果<a href="hhtp://m.sbmmt.com">效果</a></p>
<div class="divclass">hello div</div>
</body>
</html>
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