body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 30px;
}
h1 {
    text-align: center;
    color: #333;
}
form {
    max-width: 500px;
    margin: 20px auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}
input, select, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    margin-top: 15px;
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}
button:hover {
    background-color: #218838;
}
.success {
    text-align: center;
    color: green;
    font-weight: bold;
}
.error {
    text-align: center;
    color: red;
    font-weight: bold;
}