.sp-message-open { margin-top: 0px !important; overflow: hidden !important; left: 0 !important; right: 0 !important; top: 0 !important; bottom: 0 !important; position: fixed !important; }
css 禁止滚动条 测试
原文：https://www.cnblogs.com/enych/p/12294294.html
