CSS实现固定DIV层背景图片且底部显示
/*CSS缩写形式*/
div {background:url(/images/about_bg.jpg) no-repeat fixed;background-position-y:bottom;}?
/*CSS代码详解*/
div {background-image:url(/images/bg.jpg); /*自行修改背景图片路径*/background-repeat:no-repeat; /*背景图片不重复显示*/background-repeat:repeat; /*背景图片横向及纵向重复*/background-repeat:repeat-x; /*背景图片横向重复*/background-repeat:repeat-y; /*背景图片纵向重复*/background-attachment:fixed; /*固定背景图片*/background-attachment:scroll; /*滚动背景图片*/background-position-x:left; /*背景图片在横向的最左方显示*/background-position-x:right; /*背景图片在横向的最右方显示*/background-position-y:top; /*背景图片在纵向的最上方显示*/background-position-y:bottom; /*背景图片在纵向的最下方显示*/}