body{width:100vw;height:100vh;padding:0;margin:0}#app{width:100%;height:100%;padding:0;margin:0}.demo{width:100%;height:100%;padding:0;margin:0;display:flex}.view{width:0;flex-grow:1}.config{width:300px;height:100%;padding:20px}@media (max-width: 768px){.demo{flex-direction:column}.view{width:100%;height:0}.config{width:100%;height:fit-content;padding:0}}