body{width:100vw;height:100vh;margin:0;font-size:16px;font-family:Courier New,Courier,monospace}button,input,select,textarea{font-family:inherit;font-size:inherit}#app{height:100%;display:flex;flex-direction:column;align-items:stretch;min-width:400px}#app .main{flex-grow:1;align-items:center}#app .bottom,#app .main,#app .top{display:flex;justify-content:center}#app .bottom,#app .top{padding:1.3rem}#app .top input{width:100%;max-width:800px}.error{color:red}