body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #121212;
    color: white;
    margin: 0;
    padding: 0;
}
header {
    padding: 20px;
    background: #1e1e1e;
}
section {
    margin: 20px;
    padding: 20px;
}
input, textarea {
    width: 80%;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
}
button {
    padding: 10px 20px;
    border: none;
    background: #007bff;
    color: white;
    cursor: pointer;
}