body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80vh;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 500px;
}

h1 {
    text-align: center;
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
    color: #555;
}

input, textarea {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px;
    border: none;
    border-radius: 4px;
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #4cae4c;
}

.success-message {
    text-align: center;
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
    border-radius: 4px;
    padding: 20px;
}