*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f8f9fa;color:#212121}.app{min-height:100dvh;display:flex;flex-direction:column}.app-header{background:#4caf50;color:#fff;padding:1rem;text-align:center;box-shadow:0 2px 4px #0000001a}.app-header h1{margin:0;font-size:1.4rem}.app-main{flex:1;overflow-y:auto;padding-bottom:70px}body{-webkit-font-smoothing:antialiased}button,input{font-family:inherit}