#app{font-family:Arial,sans-serif;max-width:600px;margin:20px auto;padding:20px;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1)}h1{color:#333;text-align:center}h2{color:#444;margin-top:20px}label{display:block;margin:10px 0 5px;font-weight:700}select,textarea{width:100%;padding:10px;margin-bottom:20px;border:1px solid #ccc;border-radius:4px;font-size:16px}button{background-color:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .3s ease}button:hover{background-color:#0056b3}.error{color:red;margin-top:20px}ul{list-style-type:disc;padding-left:20px}li{margin-bottom:10px;font-size:16px;line-height:1.5}