.echo-demo{width:100%;height:100vh;margin:0;padding:0;overflow:hidden}.echo-demo.loading{color:#fff;background-color:#1b1b1b;justify-content:center;align-items:center;display:flex}.echo-demo.loading .loading-message{text-align:center}.echo-demo.loading .loading-message h1{margin-bottom:1rem;font-size:2rem}.echo-demo.loading .loading-message p{opacity:.7;font-size:1.2rem;animation:1.5s infinite pulse}@keyframes pulse{0%,to{opacity:.7}50%{opacity:.3}}.echo-demo.fullscreen{background-color:#1b1b1b;width:100vw;height:100vh;position:fixed;top:0;left:0}.echo-demo .canvas-wrapper{cursor:pointer;width:100%;height:100%;position:relative}.echo-demo .canvas-wrapper canvas{display:block;width:100%!important;height:100%!important}