body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f4f4f9;color:#333}header{background-color:#333;color:#fff;padding:1rem;text-align:center}main{padding:2rem}h1,h2{color:#444}form{margin-bottom:2rem}button{background-color:#007bff;color:#fff;border:none;padding:.5rem 1rem;cursor:pointer;margin-left:.5rem}button:hover{background-color:#0056b3}.delete-btn{background-color:#dc3545}.delete-btn:hover{background-color:#c82333}ul{list-style-type:none;padding:0}li{background:#fff;margin:.5rem 0;padding:1rem;border:1px solid #ddd;border-radius:5px}