body .operation_minor2 .open_center{background:#000}
body .operation_minor2 .oper_btn>.ybtn{background-color:red}
body .operation_minor2 .oper_btn>.nbtn{background-color:#fff;color:#000}
body .operation_minor2 .oper_tit{color:#fff}
body .operation_minor2 .oper_con{color:gray}