html{height:100%;width:100%}body{margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#1e1e2f,#2c2c3c);color:#fff;display:flex;justify-content:center;align-items:center;height:100%;width:100%;flex-direction:column;text-align:center}