.footer_btn{position:absolute;right:0;bottom:0;width:100%;border-top:1px solid #e9e9e9;padding:10px 16px;background:#fff;text-align:right;z-index:1}.bind_course_package img{width:63px;height:48px}.bind_course_package .input_group{float:left;width:80%;margin-left:30px}