*{margin:0;padding:0;box-sizing:border-box}html{font-family:monospace}body{width:100%;height:100vh;background-color:#c1d6dd}main{display:flex;justify-content:center;align-items:center;height:100%}h1,h2,h3,h4,h5,h6{margin-bottom:1rem}.fps{bottom:1rem;right:1rem;display:none;position:fixed;font-size:1.25rem;font-weight:700;color:red}.debug .fps{display:block}.panel__wrapper{position:fixed;bottom:1rem;left:1rem}.panel__ul{list-style-type:none}