body {
    background-color: #000000;
    margin: 0;
    padding: 0;
    font-family: BlinkMacSystemFont, -apple-system, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    width: 90%;
    max-width: 400px;
    background-color: #ffffff;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

.container h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333333;
}

.container label {
    display: block;
    margin-bottom: 5px;
    color: #333333;
}

.container input[type="text"],
.container input[type="password"] {
    width: 100%;
    padding: 12px 20px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.container button {
    width: 100%;
    padding: 10px;
    background-color: #000000;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.container button:hover {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #000000;
}

.error {
    background-color: #ff0000;
    color: #ffffff;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}