body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 600px;
    margin: 40px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
h2, h3 {
    text-align: center;
    color: #333;
}
input, select, textarea {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    width: 100%;
    padding: 14px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}
button:hover {
    background-color: #0056b3;
}