HTML标签_增加css样式

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6 </head>
 7 <body>
 8 <!--第一种增加css样式的方法,在标签中增加style属性-->
 9 <div style="background-color: blue; width: 100px; height: 100px">我是第一块</div><br>
10 <div style="background-color: red; width: 100px; height: 100px">我是第二块</div><br>
11 </body>
12 </html>
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6     <style>
 7         .c1{
 8             background-color: red;
 9             width: 100px;
10             height:100px;
11         }
12     </style>
13 </head>
14 <body>
15 <!--第二种增加css样式的方法,增加class属性-->
16 <div class="c1">我是红色</div><br>
17 </body>
18 </html>
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6     <!--第三种增加css样式的方法,使用css文件-->
 7     <link rel="stylesheet" href="c1.css">
 8 </head>
 9 <body>
10 <div class="c1">我是粉色</div><br>
11 </body>
12 </html>

c1.css文件为

1 .c1{
2             background-color: pink;
3             width: 100px;
4             height:100px;
5         }

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转载自www.cnblogs.com/testfan/p/8947255.html