body {
    background-color: #0d0d0d;
    color: #ffffff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.navbar {
    background-color: #0d0d0d;
    padding: 20px;
    text-align: center;
}
.navbar a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}
.container {
    padding: 50px;
    text-align: center;
}
input, button {
    padding: 10px;
    margin: 10px;
    border-radius: 5px;
    border: none;
}
button {
    background-color: #8000ff;
    color: white;
    cursor: pointer;
}