body{font-family:Arial,sans-serif;background-color:#f0f0f0;margin:0;padding:0;text-align:center}h2{color:#333}input{padding:8px;width:200px;margin:10px}button{padding:10px 20px;background-color:#4caf50;color:#fff;border:none;cursor:pointer}button:hover{background-color:#45a049}ul{list-style-type:none;padding:0}li{margin:10px 0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}