body,html{margin:0;padding:0;overflow:hidden}#app,body,html{width:100%;height:100%}#app{font-family:PingFang-SC-Medium,PingFang-SC,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;background-color:#f2f1f1}