*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:linear-gradient(135deg,#11151c,#212d40,#364156,#7d4e57,#d66853);background-attachment:fixed}#canvas-container{width:100%;height:100%}canvas{display:block;width:100%;height:100%}