body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    padding: 20px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-bottom: 20px;
}

label {
    display: block;
    margin: 10px 0 5px;
}

input, select, button {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 3px;
    border: 1px solid #ccc;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    cursor: pointer;
}

button:disabled {
    background-color: #ccc;
}

a {
    color: #007bff;
    text-decoration: none;
}