<!DOCTYPE html> <html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>title</title> </head> <body> <div class="wrapper"> <!--背景图片--> <div id="web_bg" style="background-image: url(./img/bg.jpg);"></div> <!--其他代码 ... --> </div> </body> </html>
#web_bg{ position:fixed; top: 0; left: 0; width:100%; height:100%; min-width: 1000px; z-index:-10; zoom: 1; background-color: #fff; background-repeat: no-repeat; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; background-position: center 0; }
转自：
https://www.jb51.net/css/599279.html