#background { background-image: url('../../assets/background.png'); height: 100vh; position:fixed; top: 0; left: 0; width:100%; min-width: 1000px; z-index:-10; zoom: 1; background-color: #fff; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; background-position: center 0;}
https://www.cnblogs.com/xjd-6/p/10931061.html