:root{font-family:system-ui}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}canvas{width:100dvw;height:100dvh;overflow:hidden}.fps{position:fixed;top:0;right:0;color:#fff;background-color:#444;padding:4px 12px;font-size:1.75rem}.switch-buttons,.explanation{position:fixed;box-sizing:border-box;bottom:0;display:flex;justify-content:space-between;width:100dvw;padding:12px;color:#fff}.switch-buttons button{background-color:#1a54f1;font-size:2rem;border:none;outline:none;padding:6px 22px;color:#fff;border-radius:4px;cursor:pointer}#ui-elements{position:fixed;top:8px;right:8px;background-color:#00000054;padding:12px;display:flex;flex-direction:column;gap:12px}.form-group{display:flex;flex-direction:column}.form-group label{font-size:.75rem;font-weight:600;color:#fff}#ui-elements button{background-color:#292b3c;border:none;outline:none;padding:6px 22px;color:#fff;border-radius:4px;cursor:pointer;font-family:system-ui}#ui-elements button:hover{background-color:#494c6a}.switch-buttons button:hover{background-color:#5683ff}#scene-name{color:#aaa;font-size:1.5rem}