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HomeWeb Front-endCSS TutorialHow to insert CSS in html? Introduction to four methods of inserting css into html (with code)

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1. Comments:
(1).HTML comments:
(2).CSS comments: /* *

2.Insert CSS into HTML (Cascading style sheet) method
(1). Inline style (write the style directly after the tag)

<!doctype html>
<html>
<head>
   <meta charset="utf-8">
   <title>行内样式</title>
   </head>
   <body>
    <p style="font-famliy:宋体; text-align:center;font-style:italic; text-transform:uppercase; font-size:22px;  text-decoration:underline; font-weight:bold; letter-spacing:13px">html中插入css样式的方法:</br>1 行内样式;2 内部样式; <br/>3 外部样式; 4 导入样式;</p>
    </body>
    </html>

(2) Embedded (write the style and html language separately)

<!doctype html><html><head>
   <meta charset="utf-8">
   <title>行内样式</title>
   <style type="text/css">
   p{    text-decoration:underline;    text-align:center;    font-size:26px;    font-family:宋体;    font-weight:bolder;    text-transform:lowercase;    letter-spacing:4px;    color:pink;    background-color:green;   }

   </style></head><body>
    <p >HTML中插入CSS样式的方法:</br>
        1 行内样式;2 内部样式; <br/>
        3 外部样式; 4 导入样式;    </p></body></html>

3. External style (link style: write CSS and HTML separately)! ! ! ! Most commonly used
first.html

<!doctype html><html><head>
   <meta charset="utf-8">
   <title>行内样式</title>
   <link href="first.css" type="text/css" rel="stylesheet"></head><body>
    <p >HTML中插入CSS样式的方法:</br>
        1 行内样式;2 内部样式; <br/>
        3 外部样式; 4 导入样式;    </p></body></html>

first.css

p{    text-decoration:underline;/*加下划线*/
    text-transform:lowercase;/*大写字母全部小写*/
    text-align:center;/*居中*/
    font-size:23px;/*字体大小*/
    font-family:黑体;/*设置字体*/
    font-style:italic;/*设置字倾斜*/
    text-indent:3px;/*设置首行缩进*/
    color:red;/*设置字体颜色*/
    background-color:#ddd;/*设置背景颜色*/
    letter-spacing:4px;}

4.Import
first.html

<!doctype html><html><head>
   <meta charset="utf-8">
   <title>行内样式</title>

   <style type="text/css">
    @import url(first.css);   </style></head><body>
    <p >HTML中插入CSS样式的方法:</br>
        1 行内样式;2 内部样式; <br/>
        3 外部样式; 4 导入样式;    </p></body></html>

first.css

p{    text-decoration:underline;/*加下划线*/
    text-transform:lowercase;/*大写字母全部小写*/
    text-align:center;/*居中*/
    font-size:33px;/*字体大小*/
    font-family:黑体;/*设置字体*/
    font-style:italic;/*设置字倾斜*/
    text-indent:3px;/*设置首行缩进*/
    color:red;/*设置字体颜色*/
    background-color:#ddd;/*设置背景颜色*/
    letter-spacing:4px;}

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