body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f2f2f2;
}
.container {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}
h2 {
    margin-bottom: 20px;
    text-align: center;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
}
input, textarea {
    width: 100%;
    padding: 10px;
    margin: 5px 0 10px 0;
    display: inline-block;
    border-radius: 4px;
    box-sizing: border-box;
}
button {
    width: 100%;
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
.error {
    color: red;
    font-size: 0.875em;
    display: none;
}
#formMessage {
    margin-top: 15px;
    text-align: center;
}