*{box-sizing:border-box}#app,body,html{width:100%;height:100%;margin:0;overflow:hidden}body{color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;background-color:#f3f5f7;-webkit-tap-highlight-color:rgba(0,0,0,0)}button,textarea{font-family:inherit}