背景图加在内容下面,鼠标滚动背景图不动 background-attachment: fixed;
background: url(../images/bj_feicai.jpg)no-repeat;
background-size: 100% 100%;
background-attachment: fixed;
background: url(../images/bj_feicai.jpg)no-repeat;
background-size: 100% 100%;
background-attachment: fixed;