body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #111;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px #0f0;
    width: 300px;
    text-align: center;
}

h2 {
    color: #0f0;
}

input[type="text"], input[type="password"] {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #0f0;
    border-radius: 5px;
    background: #000;
    color: #0f0;
}

input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #0f0;
    border: none;
    border-radius: 5px;
    color: #000;
    font-weight: bold;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #1f1;
}