*{margin:0;padding:0;box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}app-root{display:block;width:100%;height:100%}