求助,如何让背景图片充满全图,随容器大小变动而变动
一户 2019-03-17 09:52:59 这是现在的代码
<body style="background-attachment: fixed" background="image/车间背景1.png "
style=" background-position: center center;
background-repeat: no-repeat;
background-attachment: fixed;
background-size: cover;">