.app{text-align:center;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:calc(10px + 2vmin)}.app.light{background-color:#fff;color:#282c34}.app.dark{background-color:#282c34;color:#fff}.app-header{margin-bottom:2rem}button{font-size:1.2rem;padding:.5rem 1rem;cursor:pointer}body{margin:0;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}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}