css 元素滚动背景图不动效果实现
如下即可实现
background: url(../../assets/images/home/img4_1.jpg) repeat fixed;
background-size: cover; background-position: center center;
如下即可实现
background: url(../../assets/images/home/img4_1.jpg) repeat fixed;
background-size: cover; background-position: center center;