列举background属性的8个属性值(面试题)

CSS中background的属性值

  • background-color
  • background-image
  • background-repeat
  • background-position
  • background-attachment

复合属性:background:background-color background-image background -repeat background-position background-attachment
CSS3新增:不能用background的复合属性
background-size,background-origin,background-clip

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4 <meta charset="utf-8">
 5 <title></title>
 6 <style>
 7 *{
 8 margin: 0;
 9 padding: 0;
10 }
11 .pic{
12 width: 300px;
13 height:400px;
14 border: 20px dashed aqua;
15 padding: 30px;
16 /* background-color:#f90;
17 background-image:url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1603882574342&di=e
18 fe3283a838eef10140bcab16bf06371&imgtype=0&src=http%3A%2F%2Fdpic.tiankong.com%2F8i%2Fzu%2FQJ6411171137.jpg);
19 background-repeat: no-repeat;
20 background-position: 50% 50%;
21 background-attachment: fixed; */
22 background:#f90 url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1603882574342&di=e
23 fe3283a838eef10140bcab16bf06371&imgtype=0&src=http%3A%2F%2Fdpic.tiankong.com%2F8i%2Fzu%2FQJ6411171137.jpg) 
24 no-repeat 50% 50% fixed;
25 background-size: 100px 100px;
26 background-origin: border-box;
27 background-clip: content-box;
28 }
29 </style>
30 </head>
31 <body>
32 <div class="pic"></div>
33 </body>
34 </html>
posted @ 2020-10-30 17:39  鬼牛阿飞  阅读(471)  评论(0)  编辑  收藏  举报