摘要:
1 <html> 2 <head> 3 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 4 <title>CSS test</title> 5 <style type="text/css"> 6 body 7 { 8 margin: 0; /*背景图片固定居中 9 http://www.w3school.com.cn/css/pr_background-position.a 阅读全文