h1 {
    color: #333;
}

form {
    background: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    max-width: 400px;
    margin: auto;
}

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

input, select, button {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

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

button:hover {
    background-color: #218838;
}

option:disabled {
    color: red;
    font-weight: bold;
}

.message-box {
    max-width: 500px;
    margin: 50px auto;
    text-align: center;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background: #fff;
}

.success {
    color: #28a745;
    font-size: 1.2em;
    font-weight: bold;
    border: 2px solid #28a745;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.error {
    color: #dc3545;
    font-size: 1.2em;
    font-weight: bold;
    border: 2px solid #dc3545;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1em;
    color: white;
    background-color: #007bff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.button:hover {
    background-color: #0056b3;
}