#system-setup-authority{width:100%;height:100%;margin:auto;padding-top:64px;position:relative;background-color:#fff}#system-setup-authority .s-s-a-head{top:0;left:0;right:0;height:64px;padding:16px 24px;margin:auto auto 12px;position:absolute;border-bottom:1px solid #ddd}#system-setup-authority .s-s-a-body{width:100%;height:100%;padding:12px;overflow-y:auto;overflow-x:hidden}