html,body,#game{width:100%;height:100%;margin:0}body{overflow:hidden;background:#2a2620;font-family:Georgia,Times New Roman,serif}#backdrop{position:fixed;top:-40px;right:-40px;bottom:-40px;left:-40px;background-color:#2a2620;background-size:cover;background-position:center;filter:blur(36px) saturate(1.15) brightness(.7);transform:scale(1.08);transition:background-image .6s ease,opacity .6s ease;z-index:0;opacity:.85}#game{position:relative;z-index:1}canvas{display:block}