body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #1a1a1a;
    color: #fff;
}

header {
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    border-bottom: 2px solid #444;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
}

nav ul li a:hover {
    color: #f39c12;
}

main {
    padding: 2rem;
    text-align: center;
}

main h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

main p {
    font-size: 1.2rem;
}

form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.8);
    border: 1px solid #444;
    border-radius: 10px;
}

form label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

form input {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid #444;
    border-radius: 5px;
    background-color: #222;
    color: #fff;
}

form button {
    width: 100%;
    padding: 0.75rem;
    background-color: #f39c12;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
}

form button:hover {
    background-color: #e67e22;
}