background-attachment :定義背景圖片隨滾動軸的移動方式css
取值: scroll | fixed | inherithtml
scroll: 隨着頁面的滾動軸背景圖片將移動web
fixed: 隨着頁面的滾動軸背景圖片不會移動app
inherit: 繼承初始值: scrollui
繼承性: 否url
適用於: 全部元素.net
給移動端頁面添加背景圖:code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1" /> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <meta content="telephone=no, email=no" name="format-detection"> <meta http-equiv="pragma" content="no-cache"> <link rel="stylesheet" href="css/common.css"> <link rel="stylesheet" href="css/page.css"> <title>分享紅包</title> <style> html{ overflow-x:hidden;} body{ overflow-x:hidden;} </style> </head> <body style="background: url(images/red_envelopes_bg.jpg) fixed no-repeat; background-size: 100% 100%"> <div class="red_envelopes"> <img src="images/red_envelopes.png" width="100%" alt=""> <p><font>88</font>元紅包</p> </div> <input class="envelopes_input" type="text" placeholder="請輸入手機號碼" /> <div class="envelopes_btn" >當即註冊</div> </body> </html>``` background-position:表示背景圖片的位置 background-size:表示背景圖片的大小 這裏fixed能夠保證圖片縱向鋪滿整個頁面且不隨頁面的滑動而滑動 效果如圖: ![輸入圖片說明](https://static.oschina.net/uploads/img/201610/10103310_kecf.png "在這裏輸入圖片標題")